diff --git a/plugins/git/internal-functions b/plugins/git/internal-functions
index 09cca5873..4c787a5fd 100755
--- a/plugins/git/internal-functions
+++ b/plugins/git/internal-functions
@@ -107,7 +107,7 @@ cmd-git-report-single() {
     "--git-global-deploy-branch: $(fn-plugin-property-get "git" "--global" "deploy-branch" "master")"
     "--git-keep-git-dir: $(fn-plugin-property-get "git" "$APP" "keep-git-dir" "false")"
     "--git-rev-env-var: $(fn-plugin-property-get "git" "$APP" "rev-env-var" "GIT_REV")"
-    "--git-sha: $(GIT_DIR="$APP_DIR" git rev-parse --short HEAD 2>/dev/null || false)"
+    "--git-sha: $(git -C "$APP_DIR" rev-parse --short HEAD 2>/dev/null || false)"
     "--git-last-updated-at: $(fn-git-last-updated-at "$APP")"
   )