diff --git a/packages/core/src/tools/shell.ts b/packages/core/src/tools/shell.ts
index 7562b748..0713585f 100644
--- a/packages/core/src/tools/shell.ts
+++ b/packages/core/src/tools/shell.ts
@@ -406,7 +406,7 @@ Co-authored-by: ${gitCoAuthorSettings.name} <${gitCoAuthorSettings.email}>`;
 
     // Handle different git commit patterns
     // Match -m "message" or -m 'message'
-    const messagePattern = /(-m\s+)(['"])((?:[^\\]|\\.)*)(\2)/;
+    const messagePattern = /(-m\s+)(['"])((?:\\.|[^\\])*?)(\2)/;
     const match = command.match(messagePattern);
 
     if (match) {