diff --git a/libs/gamecode/builtins/bi_gib.c b/libs/gamecode/builtins/bi_gib.c
index 4d680f084..e725f0310 100644
--- a/libs/gamecode/builtins/bi_gib.c
+++ b/libs/gamecode/builtins/bi_gib.c
@@ -93,6 +93,7 @@ bi_gib_builtin_f (void)
 	P_INT (builtin->pr, 0) = GIB_Argc();
 	P_INT (builtin->pr, 1) = POINTER_TO_PROG (builtin->pr, pr_list);
 	PR_ExecuteProgram (builtin->pr, builtin->func);
+	PR_Zone_Free (builtin->pr, pr_list);
 }
 
 static void