diff --git a/pkgs/build-support/fetchgit/nix-prefetch-git b/pkgs/build-support/fetchgit/nix-prefetch-git
index ceedf313f28..22d46257075 100755
--- a/pkgs/build-support/fetchgit/nix-prefetch-git
+++ b/pkgs/build-support/fetchgit/nix-prefetch-git
@@ -109,7 +109,7 @@ checkout_hash(){
         hash=$(hash_from_ref $ref)
     fi
 
-    git fetch ${builder:+--progress} origin || return 1
+    git fetch -t ${builder:+--progress} origin || return 1
     git checkout -b $branchName $hash || return 1
 }