diff --git a/src/gui/CemuApp.cpp b/src/gui/CemuApp.cpp
index baa83888f..f91c1e3a1 100644
--- a/src/gui/CemuApp.cpp
+++ b/src/gui/CemuApp.cpp
@@ -235,6 +235,9 @@ void CemuApp::InitializeExistingMLCOrFail(fs::path mlc)
 
 bool CemuApp::OnInit()
 {
+#if __WXGTK__
+	GTKSuppressDiagnostics(G_LOG_LEVEL_MASK & ~G_LOG_FLAG_FATAL);
+#endif
 	std::set<fs::path> failedWriteAccess;
 	DeterminePaths(failedWriteAccess);
 	// make sure default cemu directories exist