diff --git a/hook/table.c b/hook/table.c
index 04afadb..a6a20d6 100644
--- a/hook/table.c
+++ b/hook/table.c
@@ -93,7 +93,7 @@ static void hook_table_apply_to_iid(
             sym = &syms[j];
 
             if (hook_table_match_proc(&iate, sym)) {
-                if (sym->link != NULL) {
+                if (sym->link != NULL && *sym->link == NULL) {
                     *sym->link = *iate.ppointer;
                 }