diff --git a/src/textual_dev/tools/diagnose.py b/src/textual_dev/tools/diagnose.py
index 0c95204..e1298c1 100644
--- a/src/textual_dev/tools/diagnose.py
+++ b/src/textual_dev/tools/diagnose.py
@@ -88,6 +88,8 @@ def _guess_term() -> str:
             term_program = "GNOME Terminal"
         elif "XTERM_VERSION" in os.environ:
             term_program = os.environ.get("XTERM_VERSION") or "XTerm"
+        elif "TERMINATOR_UUID" in os.environ:
+            term_program = "Terminator"
 
     else:
         # See if we can pull out some sort of version information too.