diff --git a/lib/util/git/config.spec.ts b/lib/util/git/config.spec.ts
index 89327a7fa34fac..1e51d6f827c44c 100644
--- a/lib/util/git/config.spec.ts
+++ b/lib/util/git/config.spec.ts
@@ -9,6 +9,7 @@ describe('util/git/config', () => {
   it('uses "close" events, ignores "exit" events from child processes', () => {
     expect(simpleGitConfig()).toEqual({
       completion: { onClose: true, onExit: false },
+      config: ['core.quotePath=false'],
     });
   });
 
@@ -19,6 +20,7 @@ describe('util/git/config', () => {
       timeout: {
         block: 50000,
       },
+      config: ['core.quotePath=false'],
     });
   });
 });
diff --git a/lib/util/git/config.ts b/lib/util/git/config.ts
index 507d10bfb088a3..12bc54b8ac7c77 100644
--- a/lib/util/git/config.ts
+++ b/lib/util/git/config.ts
@@ -23,6 +23,7 @@ export function simpleGitConfig(): Partial<SimpleGitOptions> {
       onClose: true,
       onExit: false,
     },
+    config: ['core.quotePath=false'],
   };
   // https://github.com/steveukx/git-js/pull/591
   const gitTimeout = GlobalConfig.get('gitTimeout');
diff --git a/lib/util/git/index.ts b/lib/util/git/index.ts
index 53fec36f6be043..696f2dc602bd32 100644
--- a/lib/util/git/index.ts
+++ b/lib/util/git/index.ts
@@ -237,8 +237,8 @@ export async function initRepo(args: StorageConfig): Promise<void> {
   const { localDir } = GlobalConfig.get();
   git = simpleGit(localDir, simpleGitConfig()).env({
     ...process.env,
-    LANG: 'C',
-    LC_ALL: 'C',
+    LANG: 'C.UTF-8',
+    LC_ALL: 'C.UTF-8',
   });
   gitInitialized = false;
   submodulesInitizialized = false;