diff --git a/gc.c b/gc.c
index 5812a8789e..fd69acf771 100644
--- a/gc.c
+++ b/gc.c
@@ -1819,7 +1819,10 @@ rb_objspace_set_event_hook(const rb_event_flag_t event)
 static void
 gc_event_hook_body(rb_execution_context_t *ec, rb_objspace_t *objspace, const rb_event_flag_t event, VALUE data)
 {
+    /* increment PC because source line is calculated with PC-1 */
+    ec->cfp->pc++;
     EXEC_EVENT_HOOK(ec, event, ec->cfp->self, 0, 0, 0, data);
+    ec->cfp->pc--;
 }
 
 #define gc_event_hook_available_p(objspace) ((objspace)->flags.has_hook)