diff --git a/pkg/vm/stack.go b/pkg/vm/stack.go
index 503c25571..b0eb41fc1 100644
--- a/pkg/vm/stack.go
+++ b/pkg/vm/stack.go
@@ -132,6 +132,14 @@ func newStack(n string, refc *refCounter) *Stack {
 	initStack(s, n, refc)
 	return s
 }
+
+func subStack(old *Stack) *Stack {
+	s := new(Stack)
+	*s = *old
+	s.elems = s.elems[len(s.elems):]
+	return s
+}
+
 func initStack(s *Stack, n string, refc *refCounter) {
 	s.name = n
 	s.refs = refc
diff --git a/pkg/vm/vm.go b/pkg/vm/vm.go
index c9843a48d..2ea18796b 100644
--- a/pkg/vm/vm.go
+++ b/pkg/vm/vm.go
@@ -322,7 +322,7 @@ func (v *VM) loadScriptWithCallingHash(b []byte, exe *nef.File, caller util.Uint
 	v.checkInvocationStackSize()
 	ctx := NewContextWithParams(b, rvcount, offset)
 	if rvcount != -1 || v.estack.Len() != 0 {
-		v.estack = newStack("evaluation", &v.refs)
+		v.estack = subStack(v.estack)
 	}
 	ctx.estack = v.estack
 	initStack(&ctx.tryStack, "exception", nil)