diff --git a/src/3d/qgs3dutils.cpp b/src/3d/qgs3dutils.cpp
index ab89cdc70102..3218b327f3c8 100644
--- a/src/3d/qgs3dutils.cpp
+++ b/src/3d/qgs3dutils.cpp
@@ -490,7 +490,7 @@ void Qgs3DUtils::extractPointPositions( const QgsFeature &f, const Qgs3DRenderCo
     {
       geomZ = pt.z();
     }
-    const float terrainZ = context.terrainRenderingEnabled() && context.terrainGenerator() ? context.terrainGenerator()->heightAt( pt.x(), pt.y(), context ) * context.terrainSettings()->verticalScale() : 0;
+    const float terrainZ = context.terrainRenderingEnabled() && context.terrainGenerator() ? static_cast<float>( context.terrainGenerator()->heightAt( pt.x(), pt.y(), context ) * context.terrainSettings()->verticalScale() ) : 0.f;
     float h = 0.0f;
     switch ( altClamp )
     {
diff --git a/src/3d/qgsrulebasedchunkloader_p.cpp b/src/3d/qgsrulebasedchunkloader_p.cpp
index c28601603789..fecb7297e771 100644
--- a/src/3d/qgsrulebasedchunkloader_p.cpp
+++ b/src/3d/qgsrulebasedchunkloader_p.cpp
@@ -196,7 +196,7 @@ QgsRuleBasedChunkedEntity::QgsRuleBasedChunkedEntity( Qgs3DMapSettings *map, Qgs
   mTransform = new Qt3DCore::QTransform;
   if ( applyTerrainOffset() )
   {
-    mTransform->setTranslation( QVector3D( 0.0f, map->terrainSettings()->elevationOffset(), 0.0f ) );
+    mTransform->setTranslation( QVector3D( 0.0f, static_cast<float>( map->terrainSettings()->elevationOffset() ), 0.0f ) );
   }
   this->addComponent( mTransform );
   connect( map, &Qgs3DMapSettings::terrainSettingsChanged, this, &QgsRuleBasedChunkedEntity::onTerrainElevationOffsetChanged );
@@ -256,8 +256,8 @@ bool QgsRuleBasedChunkedEntity::applyTerrainOffset() const
 
 void QgsRuleBasedChunkedEntity::onTerrainElevationOffsetChanged()
 {
-  float previousOffset = mTransform->translation()[1];
-  float newOffset = qobject_cast<Qgs3DMapSettings *>( sender() )->terrainSettings()->elevationOffset();
+  const float previousOffset = mTransform->translation()[1];
+  float newOffset = static_cast<float>( qobject_cast<Qgs3DMapSettings *>( sender() )->terrainSettings()->elevationOffset() );
   if ( !applyTerrainOffset() )
   {
     newOffset = 0.0;
diff --git a/src/3d/qgsvectorlayerchunkloader_p.cpp b/src/3d/qgsvectorlayerchunkloader_p.cpp
index d6f5c85d75e4..51fb7752c3d3 100644
--- a/src/3d/qgsvectorlayerchunkloader_p.cpp
+++ b/src/3d/qgsvectorlayerchunkloader_p.cpp
@@ -192,7 +192,7 @@ QgsVectorLayerChunkedEntity::QgsVectorLayerChunkedEntity( Qgs3DMapSettings *map,
   mTransform = new Qt3DCore::QTransform;
   if ( applyTerrainOffset() )
   {
-    mTransform->setTranslation( QVector3D( 0.0f, map->terrainSettings()->elevationOffset(), 0.0f ) );
+    mTransform->setTranslation( QVector3D( 0.0f, static_cast<float>( map->terrainSettings()->elevationOffset() ), 0.0f ) );
   }
   this->addComponent( mTransform );
 
@@ -250,7 +250,7 @@ bool QgsVectorLayerChunkedEntity::applyTerrainOffset() const
 void QgsVectorLayerChunkedEntity::onTerrainElevationOffsetChanged()
 {
   QgsDebugMsgLevel( QStringLiteral( "QgsVectorLayerChunkedEntity::onTerrainElevationOffsetChanged" ), 2 );
-  float newOffset = qobject_cast<Qgs3DMapSettings *>( sender() )->terrainSettings()->elevationOffset();
+  float newOffset = static_cast<float>( qobject_cast<Qgs3DMapSettings *>( sender() )->terrainSettings()->elevationOffset() );
   if ( !applyTerrainOffset() )
   {
     newOffset = 0.0;