diff --git a/source/git/gitsource.go b/source/git/gitsource.go
index dd35fe55f7c9..6344b2e81722 100644
--- a/source/git/gitsource.go
+++ b/source/git/gitsource.go
@@ -671,6 +671,7 @@ func git(ctx context.Context, dir, sshAuthSock, knownHosts string, args ...strin
 			//	"GIT_TRACE=1",
 			"GIT_CONFIG_NOSYSTEM=1", // Disable reading from system gitconfig.
 			"HOME=/dev/null",        // Disable reading from user gitconfig.
+			"LC_ALL=C",              // Ensure consistent output.
 		}
 		if sshAuthSock != "" {
 			cmd.Env = append(cmd.Env, "SSH_AUTH_SOCK="+sshAuthSock)