diff --git a/lib/libc/gen/fnmatch.c b/lib/libc/gen/fnmatch.c
--- a/lib/libc/gen/fnmatch.c
+++ b/lib/libc/gen/fnmatch.c
@@ -295,11 +295,10 @@
 			if (flags & FNM_CASEFOLD)
 				c2 = towlower(c2);
 
-			if (table->__collate_load_error ?
+			if (table->__collate_load_error || MB_CUR_MAX > 1 ?
 			    c <= test && test <= c2 :
-			       __wcollate_range_cmp(c, test) <= 0
-			    && __wcollate_range_cmp(test, c2) <= 0
-			   )
+			    __wcollate_range_cmp(c, test) <= 0 &&
+			    __wcollate_range_cmp(test, c2) <= 0)
 				ok = 1;
 		} else if (c == test)
 			ok = 1;