--- rpm-4.5/lib/rpmfc.c.org	2012-02-29 16:32:05.655058968 +0100
+++ rpm-4.5/lib/rpmfc.c	2012-02-29 16:36:22.430972834 +0100
@@ -1114,9 +1114,31 @@
 	    /* 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_ctype = setlocale(LC_CTYPE, NULL);
+		char *old_collate = setlocale(LC_COLLATE, NULL);
+
+		if (old_ctype) {
+			old_ctype = xstrdup(old_ctype);
+			setlocale(LC_CTYPE, "C");
+		}
+		if (old_collate) {
+			old_collate = xstrdup(old_collate);
+			setlocale(LC_COLLATE, "C");
+		}
+
 		ftype = magic_file(ms, s);
 
+		if (old_ctype) {
+			setlocale(LC_CTYPE, old_ctype);
+			_free(old_ctype);
+		}
+		if (old_collate) {
+			setlocale(LC_COLLATE, old_collate);
+			_free(old_collate);
+		}
+	    }
+
 	    if (ftype == NULL) {
 		xx = RPMERR_EXEC;
 		rpmError(xx, _("magic_file(ms, \"%s\") failed: mode %06o %s\n"),