diff --git a/kitty/cli.py b/kitty/cli.py
index 81883c1bb..45d40f312 100644
--- a/kitty/cli.py
+++ b/kitty/cli.py
@@ -96,7 +96,9 @@ def opt(text: str) -> str:
 
 
 def option(x: str) -> str:
-    idx = x.find('-')
+    idx = x.rfind('--')
+    if idx < 0:
+        idx = x.find('-')
     if idx > -1:
         x = x[idx:]
     parts = map(bold, x.split())