diff --git a/lib/libc/gen/fnmatch.c b/lib/libc/gen/fnmatch.c
index 96cd341f14d..3005184e336 100644
--- a/lib/libc/gen/fnmatch.c
+++ b/lib/libc/gen/fnmatch.c
@@ -45,6 +45,7 @@ static char sccsid[] = "@(#)fnmatch.c	8.2 (Berkeley) 4/16/94";
 
 #include <fnmatch.h>
 #include <string.h>
+#include "collate.h"
 
 #define	EOS	'\0'
 
@@ -162,7 +163,9 @@ rangematch(pattern, test, flags)
 				c2 = *pattern++;
 			if (c2 == EOS)
 				return (NULL);
-			if (c <= test && test <= c2)
+			if (   __collcmp(c, test) <= 0
+			    && __collcmp(test, c2) <= 0
+			   )
 				ok = 1;
 		} else if (c == test)
 			ok = 1;
diff --git a/sys/libkern/fnmatch.c b/sys/libkern/fnmatch.c
index 96cd341f14d..3005184e336 100644
--- a/sys/libkern/fnmatch.c
+++ b/sys/libkern/fnmatch.c
@@ -45,6 +45,7 @@ static char sccsid[] = "@(#)fnmatch.c	8.2 (Berkeley) 4/16/94";
 
 #include <fnmatch.h>
 #include <string.h>
+#include "collate.h"
 
 #define	EOS	'\0'
 
@@ -162,7 +163,9 @@ rangematch(pattern, test, flags)
 				c2 = *pattern++;
 			if (c2 == EOS)
 				return (NULL);
-			if (c <= test && test <= c2)
+			if (   __collcmp(c, test) <= 0
+			    && __collcmp(test, c2) <= 0
+			   )
 				ok = 1;
 		} else if (c == test)
 			ok = 1;