diff --git a/gtm2.py b/gtm2.py
index 150abf8..abeaba4 100755
--- a/gtm2.py
+++ b/gtm2.py
@@ -649,10 +649,12 @@ def main(stdscr, filename, show_diff, show_add, show_del, mouse):
     if state.enable_mouse:
         curses.mousemask(curses.ALL_MOUSE_EVENTS | curses.REPORT_MOUSE_POSITION)
         # Enable mouse motion events for better drag tracking
-        try:
-            print("\033[?1003h", end="", flush=True)
-        except:
-            pass
+        # This escape code is not supported by all terminals (e.g., nsterm)
+        if os.environ.get("TERM") != "nsterm":
+            try:
+                print("\033[?1003h", end="", flush=True)
+            except Exception:
+                pass
     
     state.load_commit_content()
     
@@ -686,10 +688,12 @@ def main(stdscr, filename, show_diff, show_add, show_del, mouse):
     
     # Disable mouse motion events when exiting
     if state.enable_mouse:
-        try:
-            print("\033[?1003l", end="", flush=True)
-        except:
-            pass
+        # This escape code is not supported by all terminals (e.g., nsterm)
+        if os.environ.get("TERM") != "nsterm":
+            try:
+                print("\033[?1003l", end="", flush=True)
+            except Exception:
+                pass
 
 if __name__ == "__main__":
     parser = argparse.ArgumentParser(description="A \"Git Time Machine\" for viewing file history")