diff --git a/http.c b/http.c
index eefb0f0..632c2c5 100644
--- a/http.c
+++ b/http.c
@@ -192,6 +192,9 @@
 
 	curl_easy_setopt(result, CURLOPT_FOLLOWLOCATION, 1);
 
+	if (getenv("GIT_CURL_VERBOSE"))
+		curl_easy_setopt(result, CURLOPT_VERBOSE, 1);
+
 	return result;
 }