diff --git a/cmd/gomodproxy/main.go b/cmd/gomodproxy/main.go
index 26bff69..6cccceb 100644
--- a/cmd/gomodproxy/main.go
+++ b/cmd/gomodproxy/main.go
@@ -77,7 +77,7 @@ func main() {
 	}
 
 	for _, path := range gitPaths {
-		kv := strings.SplitN(path, "=", 2)
+		kv := strings.SplitN(path, ":", 2)
 		if len(kv) != 2 {
 			log.Fatal("bad git path:", path)
 		}