diff --git a/lib/entry-points.js b/lib/entry-points.js
index 21b19f520..61524b070 100644
--- a/lib/entry-points.js
+++ b/lib/entry-points.js
@@ -147111,7 +147111,7 @@ var getGitRoot = async function(sourceRoot) {
       ["rev-parse", "--show-toplevel"],
       `Cannot find Git repository root from the source root ${sourceRoot}.`
     );
-    return stdout.trim();
+    return path4.normalize(stdout.trim());
   } catch {
     return void 0;
   }
diff --git a/src/git-utils.ts b/src/git-utils.ts
index 2e042e361..da1189035 100644
--- a/src/git-utils.ts
+++ b/src/git-utils.ts
@@ -245,7 +245,7 @@ export const getGitRoot = async function (
       ["rev-parse", "--show-toplevel"],
       `Cannot find Git repository root from the source root ${sourceRoot}.`,
     );
-    return stdout.trim();
+    return path.normalize(stdout.trim());
   } catch {
     // Errors are already logged by runGitCommand()
     return undefined;