diff --git a/tee.c b/tee.c
index a6ecb57..110a5ba 100644
--- a/tee.c
+++ b/tee.c
@@ -26,9 +26,9 @@ int main(int argc, char * argv[]) {
     }
   }
   
-  while(strcmp("-a", argv[start_arg]) == 0 && 
-        strcmp("-i", argv[start_arg]) == 0 &&
-        strcmp("-ai", argv[start_arg]) == 0 && 
+  while(strcmp("-a", argv[start_arg]) == 0 || 
+        strcmp("-i", argv[start_arg]) == 0 ||
+        strcmp("-ai", argv[start_arg]) == 0 || 
         strcmp("-ia", argv[start_arg]) == 0) {
     start_arg++;
   }