diff --git a/services/notification/notifiers/comment/conditions.py b/services/notification/notifiers/comment/conditions.py
index 98ae7eb79..5633b9de2 100644
--- a/services/notification/notifiers/comment/conditions.py
+++ b/services/notification/notifiers/comment/conditions.py
@@ -154,7 +154,10 @@ async def _check_coverage_drop(comparison: ComparisonProxy) -> bool:
         project_status_config = read_yaml_field(
             comparison.comparison.current_yaml, ("coverage", "status", "project"), {}
         )
-        threshold = Decimal(project_status_config.get("threshold", 0))
+        threshold = 0
+        if isinstance(project_status_config, dict):
+            # Project status can also be a bool value, so check is needed
+            threshold = Decimal(project_status_config.get("threshold", 0))
         target_coverage = Decimal(
             comparison.project_coverage_base.report.totals.coverage
         ).quantize(Decimal("0.00000"))
diff --git a/services/notification/notifiers/tests/unit/test_comment_conditions.py b/services/notification/notifiers/tests/unit/test_comment_conditions.py
index 920c56127..393f64650 100644
--- a/services/notification/notifiers/tests/unit/test_comment_conditions.py
+++ b/services/notification/notifiers/tests/unit/test_comment_conditions.py
@@ -5,8 +5,10 @@
     CoverageCommentRequiredChanges,
     CoverageCommentRequiredChangesANDGroup,
 )
+from shared.yaml import UserYaml
 
 from database.models.core import Repository
+from services.comparison import ComparisonProxy
 from services.notification.notifiers.comment import CommentNotifier
 from services.notification.notifiers.comment.conditions import HasEnoughRequiredChanges
 
@@ -216,3 +218,42 @@ async def test_uncovered_patch(
         )
         == expected
     )
+
+
+@pytest.mark.asyncio
+@pytest.mark.parametrize(
+    "comparison_name, yaml, expected",
+    [
+        pytest.param("sample_comparison", {}, False, id="positive_change"),
+        pytest.param(
+            "sample_comparison_negative_change",
+            {},
+            True,
+            id="negative_change_no_extra_config",
+        ),
+        pytest.param(
+            "sample_comparison_negative_change",
+            {"coverage": {"status": {"project": True}}},
+            True,
+            id="negative_change_bool_config",
+        ),
+        pytest.param(
+            "sample_comparison_negative_change",
+            {"coverage": {"status": {"project": {"threshold": 10}}}},
+            False,
+            id="negative_change_high_threshold",
+        ),
+    ],
+)
+async def test_coverage_drop_with_different_project_configs(
+    comparison_name, yaml, expected, request
+):
+    comparison: ComparisonProxy = request.getfixturevalue(comparison_name)
+    comparison.comparison.current_yaml = UserYaml(yaml)
+    notifier = _get_notifier(
+        comparison.head.commit.repository,
+        [CoverageCommentRequiredChanges.coverage_drop.value],
+    )
+    assert (
+        await HasEnoughRequiredChanges.check_condition(notifier, comparison) == expected
+    )