1 files changed, 2 insertions, 2 deletions
diff --git a/jim.c b/jim.c
index b6b6610..8a5a802 100644
--- a/jim.c
+++ b/jim.c
@@ -13876,10 +13876,10 @@ static int Jim_CatchCoreCommand(Jim_Interp *interp, int argc, Jim_Obj *const *ar
         }
 
         if (ignore) {
-            ignore_mask |= (1 << option);
+            ignore_mask |= ((jim_wide)1 << option);
         }
         else {
-            ignore_mask &= ~(1 << option);
+            ignore_mask &= (~((jim_wide)1 << option));
         }
     }