1 files changed, 1 insertions, 1 deletions
diff --git a/lex.c b/lex.c
index d13a549..1daba9e 100644
--- a/lex.c
+++ b/lex.c
@@ -137,7 +137,7 @@ aissep(int c) {
    case '^': case '~': case '=': case '\'':
    case '"': case '<': case '>': case ':':
    case '@': case '#': case '%': case '\\':
-   case '`':
+   case '`': case '!':
       return 1;
    return 0;
 }