--- rpm-4.5/lib/rpmfc.c.org	2010-10-06 20:47:04.748417761 +0200
+++ rpm-4.5/lib/rpmfc.c	2010-10-06 20:48:13.364041124 +0200
@@ -1356,8 +1356,18 @@
 	    /* XXX skip all files in /dev/ which are (or should be) %dev dummies. */
 	    else if (slen >= fc->brlen+sizeof("/dev/") && !strncmp(s+fc->brlen, "/dev/", sizeof("/dev/")-1))
 		ftype = "";
-	    else
+	    else {
+		char *old_loc = setlocale(LC_CTYPE, NULL);
+		if (old_loc) {
+			old_loc = xstrdup(old_loc);
+			setlocale(LC_CTYPE, "C");
+		}
 		ftype = magic_file(ms, s);
+		if (old_loc) {
+			setlocale(LC_CTYPE, old_loc);
+			_free(old_loc);
+		}
+	    }
 
 	    if (ftype == NULL) {
 		xx = RPMERR_EXEC;