diff --git a/files/gcd-findmatch.py b/files/gcd-findmatch.py
index 59768b9..075ea35 100755
--- a/files/gcd-findmatch.py
+++ b/files/gcd-findmatch.py
@@ -36,7 +36,7 @@ def errexit(s):
 
 
 def colorize_matches(directories, repl):
-    return [repl.sub("%s\g<1>%s" % (Green, Reset), d) for d in directories]
+    return [repl.sub(r"%s\g<1>%s" % (Green, Reset), d) for d in directories]
 
 
 def search_close_match(directories, key):