diff --git a/runtime/src/main/java/com/dylibso/chicory/runtime/InterpreterMachine.java b/runtime/src/main/java/com/dylibso/chicory/runtime/InterpreterMachine.java
index 2b582aee0..5e9b1dcb6 100644
--- a/runtime/src/main/java/com/dylibso/chicory/runtime/InterpreterMachine.java
+++ b/runtime/src/main/java/com/dylibso/chicory/runtime/InterpreterMachine.java
@@ -194,6 +194,7 @@ protected void eval(MStack stack, Instance instance, Deque<StackFrame> callStack
                         // RETURN doesn't pass through the END
                         var ctrlFrame = frame.popCtrlTillCall();
                         StackFrame.doControlTransfer(ctrlFrame, stack);
+                        callStack.clear();
 
                         shouldReturn = true;
                         break;