diff --git a/codehigh.sty b/codehigh.sty
index e5a5d10..1e230a3 100644
--- a/codehigh.sty
+++ b/codehigh.sty
@@ -620,6 +620,7 @@
               { \exp_after:wN \token_to_str:N ##1 }
           }
           { \exp_after:wN \token_to_str:N ##1 }
+        \/ % disable ligatures (#17)
       }
     \group_align_safe_end:
     \group_end: