diff --git a/rsudo.c b/rsudo.c
index 074f570..33e39e2 100644
--- a/rsudo.c
+++ b/rsudo.c
@@ -91,7 +91,7 @@ int main(int argc, char **argv)
     }
 
 
-    if(strlen(buffer) - 1 != header.len)
+    if(strlen(buffer) != header.len || strlen(buffer) - 1 != header.len)
     {
         printf("%u %d\n", strlen(buffer), header.len);
         LOG_ERROR("main", "hello length != header length");