diff --git a/extension.neon b/extension.neon
index 41801463..e0847d57 100644
--- a/extension.neon
+++ b/extension.neon
@@ -165,6 +165,7 @@ services:
             - addNodeVisitor(200, Efabrica\PHPStanLatte\Compiler\NodeVisitor\TransformForeachWithIteratorNodeVisitor())
             - addNodeVisitor(200, Efabrica\PHPStanLatte\Compiler\NodeVisitor\LinkNodeVisitor())
             - addNodeVisitor(200, Efabrica\PHPStanLatte\Compiler\NodeVisitor\ChangeNotNullToEqualsNullNodeVisitor())
+            - addNodeVisitor(200, Efabrica\PHPStanLatte\Compiler\NodeVisitor\ChangeGetParentNameToCompareWithNullNodeVisitor())
             - addNodeVisitor(300, Efabrica\PHPStanLatte\Compiler\NodeVisitor\AddFormClassesNodeVisitor())
             - addNodeVisitor(300, Efabrica\PHPStanLatte\Compiler\NodeVisitor\ReportNonExistingFieldOptionNodeVisitor())
             - addNodeVisitor(9900, Efabrica\PHPStanLatte\Compiler\NodeVisitor\CleanupNodeVisitor())
diff --git a/src/Compiler/NodeVisitor/ChangeGetParentNameToCompareWithNullNodeVisitor.php b/src/Compiler/NodeVisitor/ChangeGetParentNameToCompareWithNullNodeVisitor.php
new file mode 100644
index 00000000..f8839540
--- /dev/null
+++ b/src/Compiler/NodeVisitor/ChangeGetParentNameToCompareWithNullNodeVisitor.php
@@ -0,0 +1,66 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Efabrica\PHPStanLatte\Compiler\NodeVisitor;
+
+use Efabrica\PHPStanLatte\Resolver\NameResolver\NameResolver;
+use PhpParser\Node;
+use PhpParser\Node\Expr\BinaryOp\NotIdentical;
+use PhpParser\Node\Expr\ConstFetch;
+use PhpParser\Node\Expr\MethodCall;
+use PhpParser\Node\Expr\Variable;
+use PhpParser\Node\Name;
+use PhpParser\Node\Stmt\If_;
+use PhpParser\NodeVisitorAbstract;
+
+/**
+ * changed output from:
+ * <code>
+ * if ($this->getParentName()) {
+ *     return \get_defined_vars();
+ * }
+ * </code>
+ *
+ * to:
+ * <code>
+ * if ($this->getParentName() !== null) {
+ *     return \get_defined_vars();
+ * }
+ * </code>
+ */
+final class ChangeGetParentNameToCompareWithNullNodeVisitor extends NodeVisitorAbstract
+{
+    private NameResolver $nameResolver;
+
+    public function __construct(NameResolver $nameResolver)
+    {
+        $this->nameResolver = $nameResolver;
+    }
+
+    public function enterNode(Node $node): ?Node
+    {
+        if (!$node instanceof If_) {
+            return null;
+        }
+
+        if (!$node->cond instanceof MethodCall) {
+            return null;
+        }
+
+        if (!$node->cond->var instanceof Variable) {
+            return null;
+        }
+
+        if ($node->cond->var->name !== 'this') {
+            return null;
+        }
+
+        if ($this->nameResolver->resolve($node->cond->name) !== 'getParentName') {
+            return null;
+        }
+
+        $node->cond = new NotIdentical($node->cond, new ConstFetch(new Name('null')));
+        return $node;
+    }
+}
diff --git a/tests/Rule/LatteTemplatesRule/PresenterWithoutModule/LatteTemplatesRuleForPresenterTest.php b/tests/Rule/LatteTemplatesRule/PresenterWithoutModule/LatteTemplatesRuleForPresenterTest.php
index fae81e67..c70e1d84 100644
--- a/tests/Rule/LatteTemplatesRule/PresenterWithoutModule/LatteTemplatesRuleForPresenterTest.php
+++ b/tests/Rule/LatteTemplatesRule/PresenterWithoutModule/LatteTemplatesRuleForPresenterTest.php
@@ -186,6 +186,11 @@ public function testVariables(): void
                 98,
                 'default.latte',
             ],
+            [
+                'Only booleans are allowed in an if condition, string|null given.', // Should be removed after issue https://github.com/efabrica-team/phpstan-latte/issues/444 is resolved
+                100,
+                'default.latte',
+            ],
             [
                 'Undefined variable: $fromRenderDefault',
                 8,
@@ -226,6 +231,11 @@ public function testVariables(): void
                 4,
                 'parent.latte',
             ],
+            [
+                'Only booleans are allowed in a ternary operator condition, int|false given.', // Should be removed after issue https://github.com/efabrica-team/phpstan-latte/issues/444 is resolved
+                30,
+                'specialConstructs.latte',
+            ],
             [
                 'Undefined variable: $nonExistingVariable',
                 5,
@@ -668,7 +678,7 @@ public function testComponents(): void
 
     public function testForms(): void
     {
-        $this->analyse([__DIR__ . '/Fixtures/FormsPresenter.php'], [
+        $expectedErrors = [
             [
                 'Form control with name "password" probably does not exist.',
                 4,
@@ -794,7 +804,36 @@ public function testForms(): void
                 10,
                 '@layout.latte',
             ],
-        ]);
+        ];
+        if (LatteVersion::isLatte3()) {
+            $expectedErrors[] = [
+                'PHPDoc tag @var with type Nette\Forms\Controls\BaseControl is not subtype of type Nette\Forms\Controls\TextArea.', // Should be removed after issue https://github.com/efabrica-team/phpstan-latte/issues/444 is resolved
+                55,
+                'default.latte',
+            ];
+        } else {
+            $expectedErrors[] = [
+                'Only booleans are allowed in an if condition, Nette\Utils\Html|null given.', // Should be removed after issue https://github.com/efabrica-team/phpstan-latte/issues/444 is resolved
+                10,
+                'default.latte',
+            ];
+            $expectedErrors[] = [
+                'Only booleans are allowed in an if condition, Nette\Utils\Html|null given.', // Should be removed after issue https://github.com/efabrica-team/phpstan-latte/issues/444 is resolved
+                11,
+                'default.latte',
+            ];
+            $expectedErrors[] = [
+                'Only booleans are allowed in an if condition, Nette\Utils\Html|string|null given.', // Should be removed after issue https://github.com/efabrica-team/phpstan-latte/issues/444 is resolved
+                12,
+                'default.latte',
+            ];
+            $expectedErrors[] = [
+                'Only booleans are allowed in an if condition, Nette\Utils\Html|string|null given.', // Should be removed after issue https://github.com/efabrica-team/phpstan-latte/issues/444 is resolved
+                54,
+                'default.latte',
+            ];
+        }
+        $this->analyse([__DIR__ . '/Fixtures/FormsPresenter.php'], $expectedErrors);
     }
 
     public function testFilters(): void
@@ -1100,6 +1139,11 @@ public function testLinks(): void
                 98,
                 'default.latte',
             ],
+            [
+                'Only booleans are allowed in a ternary operator condition, int|false given.', // Should be removed after issue https://github.com/efabrica-team/phpstan-latte/issues/444 is resolved
+                102,
+                'default.latte',
+            ],
             [
                 'Undefined variable: $title',
                 7,
diff --git a/tests/Rule/LatteTemplatesRule/PresenterWithoutModule/LatteTemplatesRuleForPresenterWithNoMappingTest.php b/tests/Rule/LatteTemplatesRule/PresenterWithoutModule/LatteTemplatesRuleForPresenterWithNoMappingTest.php
index 243b4320..35ff7f3d 100644
--- a/tests/Rule/LatteTemplatesRule/PresenterWithoutModule/LatteTemplatesRuleForPresenterWithNoMappingTest.php
+++ b/tests/Rule/LatteTemplatesRule/PresenterWithoutModule/LatteTemplatesRuleForPresenterWithNoMappingTest.php
@@ -33,6 +33,11 @@ public function testLinks(): void
                 98,
                 'default.latte',
             ],
+            [
+                'Only booleans are allowed in a ternary operator condition, int|false given.', // Should be removed after issue https://github.com/efabrica-team/phpstan-latte/issues/444 is resolved
+                102,
+                'default.latte',
+            ],
             [
                 'Parameter #1 $destination of method Nette\Application\UI\Component::link() expects string, Latte\Runtime\Html|string|false given.',
                 103,
diff --git a/tests/Rule/LatteTemplatesRule/PresenterWithoutModule/phpstanCommand.neon b/tests/Rule/LatteTemplatesRule/PresenterWithoutModule/phpstanCommand.neon
index d7449460..0f240c3d 100644
--- a/tests/Rule/LatteTemplatesRule/PresenterWithoutModule/phpstanCommand.neon
+++ b/tests/Rule/LatteTemplatesRule/PresenterWithoutModule/phpstanCommand.neon
@@ -1,4 +1,4 @@
 parameters:
     latte:
         features:
-            phpstanCommand: "vendor/bin/phpstan analyse {dir} --level 8 --no-progress"
+            phpstanCommand: "vendor/bin/phpstan analyse {dir} --level 8 --no-progress -c tests/strict-rules.neon"
diff --git a/tests/config.neon b/tests/config.neon
index 848d719d..00488ef2 100644
--- a/tests/config.neon
+++ b/tests/config.neon
@@ -14,3 +14,4 @@ rules:
 includes:
     - %rootDir%/../../../vendor/phpstan/phpstan-nette/extension.neon
     - %rootDir%/../../../vendor/phpstan/phpstan-nette/rules.neon
+    - strict-rules.neon
diff --git a/tests/strict-rules.neon b/tests/strict-rules.neon
new file mode 100644
index 00000000..b92748a7
--- /dev/null
+++ b/tests/strict-rules.neon
@@ -0,0 +1,5 @@
+parameters:
+    reportMaybesInMethodSignatures: false
+
+includes:
+    - %rootDir%/../../../vendor/phpstan/phpstan-strict-rules/rules.neon