diff --git a/anagram_checker.c b/anagram_checker.c
index a0b47d601bb505b12ab02512264f0a8633fc03e8..cf3f9017e668940bd0a60c8907ba5cbf92ccde07 100644
--- a/anagram_checker.c
+++ b/anagram_checker.c
@@ -4,6 +4,10 @@
 #define MAX 151
 
 int main(int argc, char* argv[]){
+    if (argc != 2){
+      return 0;
+    }
+    char *file_name = argv[1];
 
    FILE* pFile = fopen(file_name, "r"); 
    if (pFile == NULL){