diff --git a/src/main.c b/src/main.c
index 4ce691e..995a476 100644
--- a/src/main.c
+++ b/src/main.c
@@ -80,6 +80,7 @@ int main(){
     if(memcmp(begin, expected, sizeof(begin)) != 0) {
         // This happens when decryption fails
         printf(MESSAGE_UNAUTHORIZED);
+        fflush(stdout);
         return 1;
     }