diff --git a/pkgs/build-support/fetchgit/nix-prefetch-git b/pkgs/build-support/fetchgit/nix-prefetch-git
index 7ac3dec91f7f..0f41cbd6a265 100755
--- a/pkgs/build-support/fetchgit/nix-prefetch-git
+++ b/pkgs/build-support/fetchgit/nix-prefetch-git
@@ -166,7 +166,7 @@ checkout_hash(){
     clean_git fetch -t ${builder:+--progress} origin || return 1
 
     local object_type=$(git cat-file -t "$hash")
-    if [[ "$object_type" == "commit" ]]; then
+    if [[ "$object_type" == "commit" || "$object_type" == "tag" ]]; then
         clean_git checkout -b "$branchName" "$hash" || return 1
     elif [[ "$object_type" == "tree" ]]; then
         clean_git config user.email "nix-prefetch-git@localhost"
diff --git a/pkgs/build-support/fetchgit/tests.nix b/pkgs/build-support/fetchgit/tests.nix
index 23e5fa299010..f3fcd9a578de 100644
--- a/pkgs/build-support/fetchgit/tests.nix
+++ b/pkgs/build-support/fetchgit/tests.nix
@@ -72,4 +72,11 @@
     leaveDotGit = true;
     fetchSubmodules = true;
   };
+
+  dumb-http-signed-tag = testers.invalidateFetcherByDrvHash fetchgit {
+    name = "dumb-http-signed-tag-source";
+    url = "https://git.scottworley.com/pub/git/pinch";
+    rev = "v3.0.14";
+    sha256 = "sha256-bd0Lx75Gd1pcBJtwz5WGki7XoYSpqhinCT3a77wpY2c=";
+  };
 }