diff --git a/src/gui/effects/qgspainteffectwidget.cpp b/src/gui/effects/qgspainteffectwidget.cpp
index 33c0a9c07dbc..ddda1db0d401 100644
--- a/src/gui/effects/qgspainteffectwidget.cpp
+++ b/src/gui/effects/qgspainteffectwidget.cpp
@@ -485,6 +485,8 @@ void QgsGlowWidget::initGui()
   mSpreadUnitWidget->setUnit( mEffect->spreadUnit() );
   mSpreadUnitWidget->setMapUnitScale( mEffect->spreadMapUnitScale() );
   mBlurRadiusSpnBx->setValue( mEffect->blurLevel() );
+  mBlurUnitWidget->setUnit( mEffect->blurUnit() );
+  mBlurUnitWidget->setMapUnitScale( mEffect->blurMapUnitScale() );
   mOpacityWidget->setOpacity( mEffect->opacity() );
   mColorBtn->setColor( mEffect->color() );
   mBlendCmbBx->setBlendMode( mEffect->blendMode() );