diff --git a/deploy/cpp/demo/classifier.cpp b/deploy/cpp/demo/classifier.cpp
index 322820bca37bfb07eafdf4f559b5d62ba0a3ac98..f8b47cba7a6d2257c41fd0a64784a083c96544d9 100644
--- a/deploy/cpp/demo/classifier.cpp
+++ b/deploy/cpp/demo/classifier.cpp
@@ -63,7 +63,7 @@ int main(int argc, char** argv) {
              FLAGS_use_mkl,
              FLAGS_gpu_id,
              FLAGS_key,
-             FLAGS_mkl_thread_num;
+             FLAGS_mkl_thread_num);
 
   // Predict
   int imgs = 1;