diff --git a/src/lib.rs b/src/lib.rs
index 7c6ce92..420e73f 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -156,12 +156,7 @@ impl Core {
 				depth_slice: None,
 				resolve_target: None,
 				ops: wgpu::Operations {
-					load: wgpu::LoadOp::Clear(wgpu::Color {
-						r: 0.1,
-						g: 0.2,
-						b: 0.8,
-						a: 1.0,
-					}),
+					load: wgpu::LoadOp::Clear(wgpu::Color::BLACK),
 					store: wgpu::StoreOp::Store,
 				},
 			})],
diff --git a/ui/src/main_window.cxx b/ui/src/main_window.cxx
index 97d4302..511b984 100644
--- a/ui/src/main_window.cxx
+++ b/ui/src/main_window.cxx
@@ -36,8 +36,8 @@ void PhotonLight::updateView() {
 	m_ui->cameraPitchLabel->setText(tr("Pitch: %1 deg").arg(QString::number(qRadiansToDegrees(args.camera_position.pitch))));
 	m_ui->lightYawLabel->setText(tr("Yaw: %1 deg").arg(QString::number(qRadiansToDegrees(args.light_position.yaw))));
 	m_ui->lightPitchLabel->setText(tr("Pitch: %1 deg").arg(QString::number(qRadiansToDegrees(args.light_position.pitch))));
-	m_ui->accumSigmaLabel->setText(tr("Sigma: %1").arg(QString::number(args.accum_sigma)));
-	m_ui->accumScaleLabel->setText(tr("Scale: %1").arg(QString::number(args.accum_scale)));
+	m_ui->accumSigmaLabel->setText(tr("Sigma: %1").arg(QString::number(args.accum_sigma, 'f', 3)));
+	m_ui->accumScaleLabel->setText(tr("Scale: %1").arg(QString::number(args.accum_scale, 'f', 3)));
 	m_ui->viewport->setView(args);
 }
 
diff --git a/ui/src/main_window.ui b/ui/src/main_window.ui
index fa9bb16..9688b64 100644
--- a/ui/src/main_window.ui
+++ b/ui/src/main_window.ui
@@ -204,7 +204,7 @@
            <number>-100</number>
           </property>
           <property name="maximum">
-           <number>100</number>
+           <number>0</number>
           </property>
           <property name="value">
            <number>-50</number>