diff --git a/src/engine/function.cpp b/src/engine/function.cpp
index e9bbef66d..123963f5c 100644
--- a/src/engine/function.cpp
+++ b/src/engine/function.cpp
@@ -309,7 +309,7 @@ struct _stack
     }
 
     // Get reference to the top i-th T item, optionally as a U. I.e. it skips
-    // the i-th T* items returning it as U&.
+    // the i-th T items returning it as U&.
     template <typename T, typename U = T>
     remove_cref_t<U> & top(int i = 0) const
     {
@@ -327,7 +327,7 @@ struct _stack
 
     // Move "v" to a new slot in ther stack. Returns a reference to the new item.
     template <class T>
-    remove_cref_t<T> & push( T&& v );
+    remove_cref_t<T> & push( T v );
 
     // Copy "v" into "n" new items at the top of the stack. Returns a pointer
     // to the first, i.e. top most, new item.
@@ -443,14 +443,9 @@ void _stack::cleanup_item<LIST*>(_stack * s, int32_t n, LIST**)
 }
 
 template <class T>
-remove_cref_t<T> & _stack::push( T&& v )
+remove_cref_t<T> & _stack::push( T v )
 {
-    using U = remove_cref_t<T>;
-    check_alignment();
-    data = (char *)data - sizeof(U);
-    check_alignment();
-    cleanup_push<U>( 1 );
-    return top<U>() = v;
+    return *push<T>( v, 1 );
 }
 
 template <class T>