diff --git a/cmd/relui/Dockerfile b/cmd/relui/Dockerfile
index bfe6ab1424..7a9f264cb8 100644
--- a/cmd/relui/Dockerfile
+++ b/cmd/relui/Dockerfile
@@ -19,7 +19,7 @@ FROM debian:bookworm
 
 RUN apt-get update && apt-get install -y \
 	--no-install-recommends \
-	tini ca-certificates
+	tini ca-certificates git
 
 ARG PORT=8080
 ENV PORT=${PORT}
diff --git a/internal/task/git.go b/internal/task/git.go
index ce98a2d089..6c94273e2c 100644
--- a/internal/task/git.go
+++ b/internal/task/git.go
@@ -61,7 +61,7 @@ func (g *Git) runGitStreamed(ctx context.Context, stdout, stderr io.Writer, dir
 			return err
 		}
 		// https://github.com/curl/curl/blob/master/docs/HTTP-COOKIES.md
-		cookieLine := fmt.Sprintf(".googlesource.com TRUE / TRUE %v o %v\n", tok.Expiry.Unix(), tok.AccessToken)
+		cookieLine := fmt.Sprintf(".googlesource.com\tTRUE\t/\tTRUE\t%v\to\t%v\n", tok.Expiry.Unix(), tok.AccessToken)
 		if err := os.WriteFile(g.cookieFile, []byte(cookieLine), 0o700); err != nil {
 			return fmt.Errorf("error writing git cookies: %v", err)
 		}