diff --git a/Src/CSharpier.Tests/FormattingTests/TestFiles/cs/CollectionExpressions.test b/Src/CSharpier.Tests/FormattingTests/TestFiles/cs/CollectionExpressions.test
index 2ee8b5ca8..27be13027 100644
--- a/Src/CSharpier.Tests/FormattingTests/TestFiles/cs/CollectionExpressions.test
+++ b/Src/CSharpier.Tests/FormattingTests/TestFiles/cs/CollectionExpressions.test
@@ -79,6 +79,13 @@ CallMethod(
     ]
 );
 
+CallMethod(_ =>
+    [
+        LongValue________________________________________________,
+        LongValue________________________________________________,
+    ]
+);
+
 int[] someArray =
 [
     1
diff --git a/Src/CSharpier/SyntaxPrinter/SyntaxNodePrinters/CollectionExpression.cs b/Src/CSharpier/SyntaxPrinter/SyntaxNodePrinters/CollectionExpression.cs
index 582c57d98..8fecfd4f0 100644
--- a/Src/CSharpier/SyntaxPrinter/SyntaxNodePrinters/CollectionExpression.cs
+++ b/Src/CSharpier/SyntaxPrinter/SyntaxNodePrinters/CollectionExpression.cs
@@ -9,6 +9,7 @@ public static Doc Print(CollectionExpressionSyntax node, FormattingContext conte
                 or AttributeArgumentSyntax
                 or ArrowExpressionClauseSyntax
                 or ExpressionElementSyntax
+                or SimpleLambdaExpressionSyntax
                 or AssignmentExpressionSyntax
                 {
                     Parent: not (