diff --git a/src/nano.c b/src/nano.c
index 1b927f7e..3f26c7b2 100644
--- a/src/nano.c
+++ b/src/nano.c
@@ -3983,14 +3983,8 @@ int main(int argc, char **argv)
 	char *locale = setlocale(LC_ALL, "");
 
 	if (locale == NULL || (locale != NULL &&
-#ifdef HAVE_STRCASESTR
 		strcasestr(locale, "UTF8") == NULL &&
-		strcasestr(locale, "UTF-8") == NULL
-#else
-		nstrcasestr(locale, "UTF8") == NULL &&
-		nstrcasestr(locale, "UTF-8") == NULL
-#endif
-		))
+		strcasestr(locale, "UTF-8") == NULL))
 	    SET(NO_UTF8);
 
 #ifdef USE_SLANG