Index: src/runtime/selector.m
==================================================================
--- src/runtime/selector.m
+++ src/runtime/selector.m
@@ -37,10 +37,13 @@
 objc_register_selector(struct objc_abi_selector *sel)
 {
 	struct objc_selector *rsel;
 	const char *name;
 
+	if (selectors_cnt > SEL_MAX)
+		OBJC_ERROR("Out of selector slots!");
+
 	if (selectors == NULL)
 		selectors = objc_hashtable_new(2);
 	else if ((rsel = objc_hashtable_get(selectors, sel->name)) != NULL) {
 		((struct objc_selector*)sel)->uid = rsel->uid;
 		return;
@@ -51,13 +54,10 @@
 
 	name = sel->name;
 	rsel = (struct objc_selector*)sel;
 	rsel->uid = selectors_cnt++;
 
-	if (selectors_cnt > SEL_MAX)
-		OBJC_ERROR("Out of selector slots!");
-
 	objc_hashtable_set(selectors, name, rsel);
 	objc_sparsearray_set(selector_names, (uint32_t)rsel->uid, name);
 }
 
 SEL