diff --git a/pkgs/applications/networking/browsers/chromium/source/sources.nix b/pkgs/applications/networking/browsers/chromium/source/sources.nix
index 9204c7f08e5b..6881b8d44e84 100644
--- a/pkgs/applications/networking/browsers/chromium/source/sources.nix
+++ b/pkgs/applications/networking/browsers/chromium/source/sources.nix
@@ -1,4 +1,4 @@
-# This file is autogenerated from update.sh in the same directory.
+# This file is autogenerated from update.sh in the parent directory.
 {
   dev = {
     version = "36.0.1941.0";
diff --git a/pkgs/applications/networking/browsers/chromium/source/update.sh b/pkgs/applications/networking/browsers/chromium/update.sh
similarity index 95%
rename from pkgs/applications/networking/browsers/chromium/source/update.sh
rename to pkgs/applications/networking/browsers/chromium/update.sh
index 806169f524c3..e82d22f34fd0 100755
--- a/pkgs/applications/networking/browsers/chromium/source/update.sh
+++ b/pkgs/applications/networking/browsers/chromium/update.sh
@@ -3,7 +3,7 @@
 channels_url="http://omahaproxy.appspot.com/all?csv=1";
 history_url="http://omahaproxy.appspot.com/history";
 bucket_url="http://commondatastorage.googleapis.com/chromium-browser-official/";
-base_path="$(cd "$(dirname "$0")" && pwd)";
+base_path="$(cd "$(dirname "$0")" && pwd)/source";
 
 source "$(nix-build --no-out-link "$base_path/update.nix" -A updateHelpers)";
 
@@ -116,7 +116,7 @@ versions="$(echo "$omaha" | sed -nr -e 's/^linux,([^,]+,[^,]+).*$/\1/p')";
 channel_exprs="$(get_channel_exprs "$versions")";
 
 cat > "$base_path/sources.nix" <<-EOF
-# This file is autogenerated from update.sh in the same directory.
+# This file is autogenerated from update.sh in the parent directory.
 {
 $channel_exprs
 }