--- util-linux-2.12q/mount/mount.c
+++ util-linux-2.12q/mount/mount.c
@@ -1178,11 +1178,15 @@
 
 	if (types == NULL && !mounttype && !is_existing_file(spec)) {
 		if (strchr (spec, ':') != NULL) {
-			types = "nfs";
-			if (verbose)
-				printf(_("mount: no type was given - "
+			types = do_guess_fstype(spec);
+			if(types == NULL) {
+				types = "nfs";
+				if (verbose) {
+					printf(_("mount: no type was given - "
 					 "I'll assume nfs because of "
 					 "the colon\n"));
+				}
+			}
 		} else if(!strncmp(spec, "//", 2)) {
 			types = "smbfs";
 			if (verbose)