diff --git a/du5/program.c b/du5/program.c
index 0b47161..cc2d88a 100644
--- a/du5/program.c
+++ b/du5/program.c
@@ -39,7 +39,7 @@ int main()
             answer = line[0];
             break;
         }
-        else
+        else if
         {
             sscanf(line, "%s [^?]", &question);
         }