diff --git a/gtm b/gtm
index 1ccda4c..a15fd21 100755
--- a/gtm
+++ b/gtm
@@ -1536,6 +1536,7 @@ if __name__ == "__main__":
     parser.add_argument("--diff-additions", action="store_true", help="Highlight newly added lines in green")
     parser.add_argument("--diff-deletions", action="store_true", help="Show deleted lines in red")
     parser.add_argument("--no-mouse", action="store_true", help="Disable mouse support")
+    parser.add_argument("--mouse", action="store_true", help="Enable mouse support (default)")
     parser.add_argument("--no-wrap", action="store_true", help="Disable line wrapping")
     parser.add_argument("--line-numbers", action="store_true", help="Show line numbers")
     parser.add_argument("-v", "--version", action="store_true", help="Show version number")
@@ -1564,4 +1565,6 @@ if __name__ == "__main__":
         print(f"  git commit -m 'Add {os.path.basename(filename)}'")
         sys.exit(1)
         
-    curses.wrapper(main, filename, args.diff, args.diff_additions, args.diff_deletions, not args.no_mouse, not args.no_wrap, args.line_numbers)
+    # Ensure mouse is enabled by default, only disable if --no-mouse is explicitly set
+    mouse_enabled = not args.no_mouse
+    curses.wrapper(main, filename, args.diff, args.diff_additions, args.diff_deletions, mouse_enabled, not args.no_wrap, args.line_numbers)