diff --git a/src/OpalCompiler-Core/IRBytecodeGenerator.class.st b/src/OpalCompiler-Core/IRBytecodeGenerator.class.st
index 6f9af0a6409..9cf1a1b9029 100644
--- a/src/OpalCompiler-Core/IRBytecodeGenerator.class.st
+++ b/src/OpalCompiler-Core/IRBytecodeGenerator.class.st
@@ -95,7 +95,7 @@ IRBytecodeGenerator >> addLastLiteral: object [
 	((lastLiteral literalEqual: object)
 		or: [ 
 			"case of metaclass, they have no unique association"
-			(lastLiteral isKindOf: Association) and: [ lastLiteral key isNil ] ])
+			lastLiteral isVariableBinding and: [ lastLiteral key isNil ] ])
 		ifFalse: [ self error: 'there can only be one last literal' ]
 ]