diff --git a/pkgs/build-support/fetchgithub/default.nix b/pkgs/build-support/fetchgithub/default.nix
index 66671dd0a6a..a3fa0a532b7 100644
--- a/pkgs/build-support/fetchgithub/default.nix
+++ b/pkgs/build-support/fetchgithub/default.nix
@@ -1,6 +1,6 @@
 { lib, fetchgit, fetchzip }:
 
-{ owner, repo, rev, name ? "source"
+{ owner, repo, rev, name ? "github-source-${owner}-${repo}-${rev}"
 , fetchSubmodules ? false, private ? false
 , githubBase ? "github.com", varPrefix ? null
 , ... # For hash agility