diff --git a/du4/program.c b/du4/program.c
index 9c92661..9b035ee 100644
--- a/du4/program.c
+++ b/du4/program.c
@@ -16,7 +16,8 @@ int main(){
     bool equals = false;
 
     for(int i = 0; fgets(input, 100, stdin) != NULL; i++){
-        if(!input || !strcmp(input, "") || input[0] == EOF) break;
+        if(!input || !strcmp(input, "") || input[0] == EOF || input[0] == '\n' || input[0] == '\0') 
+            break;
         counter = 0;
         operation = 0;
         equals = false;