diff --git a/src/frame-validator.cpp b/src/frame-validator.cpp
index 765c9e1304..176e3cfb25 100644
--- a/src/frame-validator.cpp
+++ b/src/frame-validator.cpp
@@ -9,23 +9,28 @@ namespace librealsense
 {
     void frame_validator::on_frame(rs2_frame * f)
     {
-        if (!_stopped && propagate((frame_interface*)f))
+        if (!_stopped && propagate((frame_interface*)f)
+             && is_user_requested_frame((frame_interface*)f))
         {
-            if(is_user_requested_frame((frame_interface*)f))
                 _user_callback->on_frame(f);
         }
+        else
+        {
+            // No RAII - explicit release is required
+            ((frame_interface*)f)->release();
+        }
     }
 
     void frame_validator::release()
     {}
 
     frame_validator::frame_validator(std::shared_ptr<sensor_base> sensor, frame_callback_ptr user_callback, stream_profiles current_requests, stream_profiles validator_requests) :
-        _sensor(sensor), 
-        _user_callback(user_callback), 
+        _stopped(false),
+        _validated(false),
+        _user_callback(user_callback),
         _user_requests(current_requests),
         _validator_requests(validator_requests),
-        _stopped(false),
-        _validated(false)
+        _sensor(sensor)
     {}
 
     frame_validator::~frame_validator()
diff --git a/src/frame-validator.h b/src/frame-validator.h
index e3e2ff4d16..06c506f3b0 100644
--- a/src/frame-validator.h
+++ b/src/frame-validator.h
@@ -35,7 +35,7 @@ namespace librealsense
     {
     public:
         explicit frame_validator(std::shared_ptr<sensor_base> sensor, frame_callback_ptr user_callback, stream_profiles user_requests, stream_profiles validator_requests);
-        virtual ~frame_validator();
+        virtual ~frame_validator() override;
 
         void on_frame(rs2_frame * f) override;
         void release() override;