panoptico 1.1.1

diff --git a/src/main.c b/src/main.c
index abc1234..def5678 100644
--- a/src/main.c
+++ b/src/main.c
@@ -10,6 +10,8 @@ int main(int argc, char *argv[]) {
     int result = 0;
     char buffer[256];

+    // Validate input before processing
+    if (argc < 2) return -1;
     result = process(argv[1]);
     return result;
 }