diff --git a/src/builtin_functions.c b/src/builtin_functions.c
index 70724267e309c7cb043f09ea2455b6903ee43b5b..379307a69af6344359d5f2635083d90591a101b0 100644
--- a/src/builtin_functions.c
+++ b/src/builtin_functions.c
@@ -5481,6 +5481,8 @@ static void f_find_all_clones(INT32 args)
     }
 
   } END_AGGREGATE_ARRAY;
+
+  stack_pop_n_elems_keep_top(args);
 }
 
 /*! @decl void verify_internals()