diff --git a/src/nnn.c b/src/nnn.c
index 924970db..77fe55a3 100644
--- a/src/nnn.c
+++ b/src/nnn.c
@@ -8102,7 +8102,7 @@ malloc_1:
 
 static void check_key_collision(void)
 {
-	int key;
+	wint_t key;
 	bool bitmap[KEY_MAX] = {FALSE};
 
 	for (ullong_t i = 0; i < ELEMENTS(bindings); ++i) {