diff --git a/catalog.go b/catalog.go
index 1fb4814..7b4df30 100644
--- a/catalog.go
+++ b/catalog.go
@@ -42,7 +42,7 @@ func (store Catalog) Lookup(query string) (Theme, error) {
 // to search for something.
 // For example, it is used by (ThemeStore).Lookup
 func lookupPreprocess(s string) string {
-	return strings.ToLower(norm.NFKD.String(regexp.MustCompile(`[-_ .]`).ReplaceAllString(s, "")))
+	return strings.ToLower(regexp.MustCompile(`[-_ .]`).ReplaceAllString(norm.NFKD.String(s), ""))
 }
 
 // LoadCatalog loads a directory of theme manifests.