diff --git a/lib/audiodev/PulseAudio.cpp b/lib/audiodev/PulseAudio.cpp
index c79c5fe..c80d9ee 100644
--- a/lib/audiodev/PulseAudio.cpp
+++ b/lib/audiodev/PulseAudio.cpp
@@ -270,7 +270,7 @@ struct PulseAudioVoiceEngine : LinuxMidi {
     if (i)
       userdata->m_sinks.push_back(std::make_pair(i->name, i->description));
   }
-  std::vector<std::pair<std::string, std::string>> enumerateAudioOutputs() const {
+  std::vector<std::pair<std::string, std::string>> enumerateAudioOutputs() const override {
     pa_operation* op = pa_context_get_sink_info_list(m_ctx, pa_sink_info_cb_t(_getSinkInfoListReply), (void*)this);
     _paIterate(op);
     pa_operation_unref(op);
diff --git a/lib/x11/WindowXlib.cpp b/lib/x11/WindowXlib.cpp
index 30b6c1f..48bf2a7 100644
--- a/lib/x11/WindowXlib.cpp
+++ b/lib/x11/WindowXlib.cpp
@@ -510,7 +510,7 @@ public:
     visualIdOut = screen->root_visual->visualid;
   }
 
-  void destroy() {
+  void destroy() override {
     VulkanContext::Window& m_windowCtx = *m_ctx->m_windows[m_parentWindow];
     m_windowCtx.m_swapChains[0].destroy(m_ctx->m_dev);
     m_windowCtx.m_swapChains[1].destroy(m_ctx->m_dev);