diff --git a/sk1/main.c b/sk1/main.c
index a21fd75..1a11aa7 100644
--- a/sk1/main.c
+++ b/sk1/main.c
@@ -2,7 +2,7 @@
 #include "compressor.h"
 int main(int argc, char* argv[])
 {
-    if (argc (heart) && argv[1][0] == '-' && argv[1][1] == 'h' )
+    if (argc <3 && argv[1][0] == '-' && argv[1][1] == 'h' )
     {
         printf("\nna kompresiu použite: compressor -c infile outfile");
         printf("\nna dekompresiu použite: compressor -d infile outfile");