diff --git a/pkgs/servers/home-assistant/default.nix b/pkgs/servers/home-assistant/default.nix
index 12c1fa737c47..71ef528549f9 100644
--- a/pkgs/servers/home-assistant/default.nix
+++ b/pkgs/servers/home-assistant/default.nix
@@ -324,20 +324,20 @@ in python.pkgs.buildPythonApplication rec {
   # don't try and fail to strip 6600+ python files, it takes minutes!
   dontStrip = true;
 
-  # Primary source is the pypi sdist, because it contains translations
-  src = fetchPypi {
-    inherit pname version;
-    hash = "sha256-TspjqX98adi6cYe/raV1FB5Xy59F4jWJukw1pkuP+Sw=";
-  };
-
-  # Secondary source is git for tests
-  gitSrc = fetchFromGitHub {
+  # Primary source is the git, which has the tests and allows bisecting the core
+  src = fetchFromGitHub {
     owner = "home-assistant";
     repo = "core";
     rev = "refs/tags/${version}";
     hash = "sha256-d7H6U5wRU1mOAU5YFyy7gtttsG9p1g7iDxZcaK+cAOg=";
   };
 
+  # Secondary source is pypi sdist for translations
+  sdist = fetchPypi {
+    inherit pname version;
+    hash = "sha256-TspjqX98adi6cYe/raV1FB5Xy59F4jWJukw1pkuP+Sw=";
+  };
+
   nativeBuildInputs = with python.pkgs; [
     pythonRelaxDepsHook
     setuptools
@@ -365,10 +365,9 @@ in python.pkgs.buildPythonApplication rec {
     "yarl"
   ];
 
-  # copy tests early, so patches apply as they would to the git repo
+  # extract translations from pypi sdist
   prePatch = ''
-    cp --no-preserve=mode --recursive ${gitSrc}/tests ./
-    chmod u+x tests/auth/providers/test_command_line_cmd.sh
+    tar --extract --gzip --file $sdist --strip-components 1 --wildcards "**/translations"
   '';
 
   # leave this in, so users don't have to constantly update their downstream patch handling
diff --git a/pkgs/servers/home-assistant/update.py b/pkgs/servers/home-assistant/update.py
index c914979e28bd..30b371e0686d 100755
--- a/pkgs/servers/home-assistant/update.py
+++ b/pkgs/servers/home-assistant/update.py
@@ -192,11 +192,11 @@ class HomeAssistant:
 
 
     async def update_core(self, old_version: str, new_version: str) -> None:
-        old_sdist_hash = str(await Nix.eval("home-assistant.src.outputHash"))
+        old_sdist_hash = str(await Nix.eval("home-assistant.sdist.outputHash"))
         new_sdist_hash = await Nurl.prefetch("https://pypi.org/project/homeassistant/", new_version)
         print(f"sdist: {old_sdist_hash} -> {new_sdist_hash}")
 
-        old_git_hash = str(await Nix.eval("home-assistant.gitSrc.outputHash"))
+        old_git_hash = str(await Nix.eval("home-assistant.src.outputHash"))
         new_git_hash = await Nurl.prefetch("https://github.com/home-assistant/core/", new_version)
         print(f"git: {old_git_hash} -> {new_git_hash}")