diff --git a/demos/common/cpp_gapi/utils/include/utils/stream_source.hpp b/demos/common/cpp_gapi/utils/include/utils/stream_source.hpp
index 14da81bd6cd..8734d7e36b8 100644
--- a/demos/common/cpp_gapi/utils/include/utils/stream_source.hpp
+++ b/demos/common/cpp_gapi/utils/include/utils/stream_source.hpp
@@ -38,7 +38,7 @@ class CustomCapSource : public cv::gapi::wip::IStreamSource
         }
         cv::Mat frame = cap->read();
         if (!frame.data) {
-            return false;;
+            return false;
         }
         data = frame.clone();
         return true;