diff --git a/Src/CSharpier.Tests/FormattingTests/TestFiles/cs/CollectionExpressions.test b/Src/CSharpier.Tests/FormattingTests/TestFiles/cs/CollectionExpressions.test
index a4a417987..790a1585a 100644
--- a/Src/CSharpier.Tests/FormattingTests/TestFiles/cs/CollectionExpressions.test
+++ b/Src/CSharpier.Tests/FormattingTests/TestFiles/cs/CollectionExpressions.test
@@ -149,6 +149,18 @@ class ClassName { }
 
 class CastExpressions
 {
+    public SomeType[] ShortName =
+    [
+        someLongValue___________________________________________________,
+        someLongValue___________________________________________________,
+    ];
+
+    public SomeType[] LongName____________________________________________________________________________ =
+    [
+        someLongValue___________________________________________________,
+        someLongValue___________________________________________________,
+    ];
+
     void MethodName()
     {
         var x = (string[])[someValue, someValue];
diff --git a/Src/CSharpier/SyntaxPrinter/RightHandSide.cs b/Src/CSharpier/SyntaxPrinter/RightHandSide.cs
index 5fa39669f..0ebe99cb5 100644
--- a/Src/CSharpier/SyntaxPrinter/RightHandSide.cs
+++ b/Src/CSharpier/SyntaxPrinter/RightHandSide.cs
@@ -12,7 +12,7 @@ FormattingContext context
     {
         var layout = DetermineLayout(leftNode, rightNode);
 
-        var groupId = Guid.NewGuid().ToString();
+        var groupId = layout.ToString() + Guid.NewGuid();
 
         return layout switch
         {
@@ -98,7 +98,8 @@ is ObjectCreationExpressionSyntax
 
         return rightNode switch
         {
-            LiteralExpressionSyntax
+            CollectionExpressionSyntax
+            or LiteralExpressionSyntax
             {
                 Token.RawKind: (int)SyntaxKind.MultiLineRawStringLiteralToken
             }