1 files changed, 1 insertions, 1 deletions
diff --git a/src/commands/cat.c b/src/commands/cat.c
index 6ed77e8..8c15522 100644
--- a/src/commands/cat.c
+++ b/src/commands/cat.c
@@ -103,7 +103,7 @@ static int short_arg(char c, char* next) {
             flags.end_lines_dollar = true;
             break;
         default:
-            error("error: unkown flag -%c", c);
+            return ARG_INVALID;
     }
     return ARG_UNUSED;
 }