diff --git a/src/github/operations/branch.ts b/src/github/operations/branch.ts
index 86197da..bf57f09 100644
--- a/src/github/operations/branch.ts
+++ b/src/github/operations/branch.ts
@@ -118,7 +118,7 @@ export function validateBranchName(branchName: string): void {
  * @param args - Git command arguments (e.g., ["checkout", "branch-name"])
  */
 function execGit(args: string[]): void {
-  execFileSync("git", args, { stdio: "inherit" });
+  execFileSync("git", args, { stdio: "inherit", env: process.env });
 }
 
 export type BranchInfo = {
diff --git a/src/github/operations/restore-config.ts b/src/github/operations/restore-config.ts
index 4e12739..a0c06cc 100644
--- a/src/github/operations/restore-config.ts
+++ b/src/github/operations/restore-config.ts
@@ -48,6 +48,7 @@ export function restoreConfigFromBase(baseBranch: string): void {
   // caller sees a clean error.
   execFileSync("git", ["fetch", "origin", baseBranch, "--depth=1"], {
     stdio: "inherit",
+    env: process.env,
   });
 
   // Delete PR-controlled versions. If the restore below fails for a given path,