diff --git a/proglabs/lab10/main.c b/proglabs/lab10/main.c
index f221dd4..4938e4e 100644
--- a/proglabs/lab10/main.c
+++ b/proglabs/lab10/main.c
@@ -3,6 +3,11 @@
 int main(int argc, char *argv[]){
     setlocale(LC_ALL, "");
 
+    if(argc < 2){
+        printf("Not enough arguments. (-help)\n");
+        return 1;
+    }
+
     int query[QUERYMAX];
     int assist[QUERYMAX];
     int inquery;
@@ -10,6 +15,7 @@ int main(int argc, char *argv[]){
     for (int i = 0;i<XMAX;i++)x[i]=0;
     for (int i = 0;i<QUERYMAX;i++)assist[i]=0;
 
+
     if(str(argv[1],"-help")||str(argv[1],"-h")){
         printf("\nHelpMenu");
         printf("\n\tprog [arg1] [arg2] [arg3]");
diff --git a/proglabs/lab10/prog b/proglabs/lab10/prog
index 69422cc..acaffe9 100755
Binary files a/proglabs/lab10/prog and b/proglabs/lab10/prog differ