diff --git a/src/LFO.cpp b/src/LFO.cpp
index 34ff98b..4a6f533 100644
--- a/src/LFO.cpp
+++ b/src/LFO.cpp
@@ -57,7 +57,7 @@ struct LFO : Module {
 
 		struct FrequencyQuantity : ParamQuantity {
 			float getDisplayValue() override {
-				LFO* module = reinterpret_cast<LFO*>(this->module);
+				LFO* module = reinterpret_cast<LFO*>(static_cast<Module*>(this->module));
 				if (module->clockFreq == 2.f) {
 					unit = " Hz";
 					displayMultiplier = 1.f;
diff --git a/src/Octave.cpp b/src/Octave.cpp
index e1b689c..471c2a7 100644
--- a/src/Octave.cpp
+++ b/src/Octave.cpp
@@ -72,7 +72,7 @@ struct OctaveButton : Widget {
 		engine::ParamQuantity* pq = paramWidget->getParamQuantity();
 		if (pq) {
 			activeOctave = std::round(pq->getValue());
-			Octave* module = dynamic_cast<Octave*>(pq->module);
+			Octave* module = dynamic_cast<Octave*>(static_cast<Module*>(pq->module));
 			if (module)
 				lastOctave = module->lastOctave;
 		}
@@ -148,7 +148,7 @@ struct OctaveParam : ParamWidget {
 
 inline void OctaveButton::onDragEnter(const event::DragEnter& e) {
 	if (e.button == GLFW_MOUSE_BUTTON_LEFT) {
-		OctaveParam* origin = dynamic_cast<OctaveParam*>(e.origin);
+		OctaveParam* origin = dynamic_cast<OctaveParam*>(static_cast<Widget*>(e.origin));
 		if (origin) {
 			ParamWidget* paramWidget = getAncestorOfType<ParamWidget>();
 			assert(paramWidget);
diff --git a/src/Quantizer.cpp b/src/Quantizer.cpp
index 0dd53b0..b3b02a6 100644
--- a/src/Quantizer.cpp
+++ b/src/Quantizer.cpp
@@ -172,7 +172,7 @@ struct QuantizerButton : OpaqueWidget {
 
 	void onDragEnter(const event::DragEnter& e) override {
 		if (e.button == GLFW_MOUSE_BUTTON_LEFT) {
-			QuantizerButton* origin = dynamic_cast<QuantizerButton*>(e.origin);
+			QuantizerButton* origin = dynamic_cast<QuantizerButton*>(static_cast<Widget*>(e.origin));
 			if (origin) {
 				module->enabledNotes[note] = module->enabledNotes[origin->note];;
 				module->updateRanges();
diff --git a/src/Rescale.cpp b/src/Rescale.cpp
index 0f75dad..ae90450 100644
--- a/src/Rescale.cpp
+++ b/src/Rescale.cpp
@@ -33,7 +33,7 @@ struct Rescale : Module {
 
 		struct GainQuantity : ParamQuantity {
 			float getDisplayValue() override {
-				Rescale* module = reinterpret_cast<Rescale*>(this->module);
+				Rescale* module = reinterpret_cast<Rescale*>(static_cast<Module*>(this->module));
 				if (module->multiplier == 1.f) {
 					unit = "%";
 					displayMultiplier = 100.f;
diff --git a/src/WTLFO.cpp b/src/WTLFO.cpp
index 3d550d8..8efa937 100644
--- a/src/WTLFO.cpp
+++ b/src/WTLFO.cpp
@@ -55,7 +55,7 @@ struct WTLFO : Module {
 
 		struct FrequencyQuantity : ParamQuantity {
 			float getDisplayValue() override {
-				WTLFO* module = reinterpret_cast<WTLFO*>(this->module);
+				WTLFO* module = reinterpret_cast<WTLFO*>(static_cast<Module*>(this->module));
 				if (module->clockFreq == 2.f) {
 					unit = " Hz";
 					displayMultiplier = 1.f;