diff --git a/src/wayland/session_lock/session_lock.cpp b/src/wayland/session_lock/session_lock.cpp
index 4f5fdd5..1f2f1ce 100644
--- a/src/wayland/session_lock/session_lock.cpp
+++ b/src/wayland/session_lock/session_lock.cpp
@@ -64,7 +64,8 @@ LockWindowExtension* LockWindowExtension::get(QWindow* window) {
 }
 
 bool LockWindowExtension::attach(QWindow* window, SessionLockManager* manager) {
-	if (this->surface != nullptr) throw "Cannot change the attached window of a LockWindowExtension";
+	if (this->surface != nullptr)
+		qFatal() << "Cannot change the attached window of a LockWindowExtension";
 
 	auto* current = LockWindowExtension::get(window);
 	QtWaylandClient::QWaylandWindow* waylandWindow = nullptr;
diff --git a/src/wayland/session_lock/shell_integration.cpp b/src/wayland/session_lock/shell_integration.cpp
index da0e1f1..2b5fdbf 100644
--- a/src/wayland/session_lock/shell_integration.cpp
+++ b/src/wayland/session_lock/shell_integration.cpp
@@ -13,7 +13,6 @@ QSWaylandSessionLockIntegration::createShellSurface(QtWaylandClient::QWaylandWin
 	if (lock == nullptr || lock->surface == nullptr || !lock->surface->isExposed()) {
 		qFatal() << "Visibility canary failed. A window with a LockWindowExtension MUST be set to "
 		            "visible via LockWindowExtension::setVisible";
-		throw nullptr;
 	}
 
 	return lock->surface;
diff --git a/src/wayland/session_lock/surface.cpp b/src/wayland/session_lock/surface.cpp
index 31b8099..36f9eac 100644
--- a/src/wayland/session_lock/surface.cpp
+++ b/src/wayland/session_lock/surface.cpp
@@ -19,12 +19,10 @@ QSWaylandSessionLockSurface::QSWaylandSessionLockSurface(QtWaylandClient::QWayla
 
 	if (this->ext == nullptr) {
 		qFatal() << "QSWaylandSessionLockSurface created with null LockWindowExtension";
-		throw nullptr;
 	}
 
 	if (this->ext->lock == nullptr) {
 		qFatal() << "QSWaylandSessionLock for QSWaylandSessionLockSurface died";
-		throw nullptr;
 	}
 
 	wl_output* output = nullptr; // NOLINT (include)
@@ -34,7 +32,6 @@ QSWaylandSessionLockSurface::QSWaylandSessionLockSurface(QtWaylandClient::QWayla
 		output = waylandScreen->output();
 	} else {
 		qFatal() << "Session lock screen does not corrospond to a real screen. Force closing window";
-		throw nullptr;
 	}
 
 	this->init(this->ext->lock->get_lock_surface(window->waylandSurface()->object(), output));
diff --git a/src/wayland/wlr_layershell/surface.cpp b/src/wayland/wlr_layershell/surface.cpp
index 13f0d07..c5c5c9e 100644
--- a/src/wayland/wlr_layershell/surface.cpp
+++ b/src/wayland/wlr_layershell/surface.cpp
@@ -34,7 +34,7 @@ QSWaylandLayerSurface::QSWaylandLayerSurface(
 	this->ext = LayershellWindowExtension::get(qwindow);
 
 	if (this->ext == nullptr) {
-		throw "QSWaylandLayerSurface created with null LayershellWindowExtension";
+		qFatal() << "QSWaylandLayerSurface created with null LayershellWindowExtension";
 	}
 
 	wl_output* output = nullptr; // NOLINT (include)
diff --git a/src/wayland/wlr_layershell/window.cpp b/src/wayland/wlr_layershell/window.cpp
index 5ef2825..035bae1 100644
--- a/src/wayland/wlr_layershell/window.cpp
+++ b/src/wayland/wlr_layershell/window.cpp
@@ -25,7 +25,7 @@ LayershellWindowExtension* LayershellWindowExtension::get(QWindow* window) {
 
 bool LayershellWindowExtension::attach(QWindow* window) {
 	if (this->surface != nullptr)
-		throw "Cannot change the attached window of a LayershellWindowExtension";
+		qFatal() << "Cannot change the attached window of a LayershellWindowExtension";
 
 	auto* current = LayershellWindowExtension::get(window);