diff --git a/UI/window-basic-main.cpp b/UI/window-basic-main.cpp
index f3e8aee6c..0fddeddf6 100644
--- a/UI/window-basic-main.cpp
+++ b/UI/window-basic-main.cpp
@@ -474,6 +474,9 @@ OBSBasic::OBSBasic(QWidget *parent)
 	connect(ui->broadcastButton, &QPushButton::clicked, this,
 		&OBSBasic::BroadcastButtonClicked);
 
+	connect(App(), &OBSApp::StyleChanged, this,
+		&OBSBasic::ResetProxyStyleSliders);
+
 	UpdatePreviewSafeAreas();
 	UpdatePreviewSpacingHelpers();
 }
@@ -10233,3 +10236,19 @@ float OBSBasic::GetDevicePixelRatio()
 {
 	return dpi;
 }
+
+void OBSBasic::ResetProxyStyleSliders()
+{
+	/* Since volume/media sliders are using QProxyStyle, they are not
+	* updated when themes are changed, so re-initialize them. */
+	vector<OBSSource> sources;
+	for (size_t i = 0; i != volumes.size(); i++)
+		sources.emplace_back(volumes[i]->GetSource());
+
+	ClearVolumeControls();
+
+	for (const auto &source : sources)
+		ActivateAudioSource(source);
+
+	UpdateContextBar(true);
+}
diff --git a/UI/window-basic-main.hpp b/UI/window-basic-main.hpp
index 284b0b7c3..379db5387 100644
--- a/UI/window-basic-main.hpp
+++ b/UI/window-basic-main.hpp
@@ -806,6 +806,7 @@ private slots:
 	void TBarReleased();
 
 	void LockVolumeControl(bool lock);
+	void ResetProxyStyleSliders();
 
 private:
 	/* OBS Callbacks */