1 files changed, 7 insertions, 0 deletions
diff --git a/src/quick3d/imports/scene3d/scene3dsgmaterialshader.cpp b/src/quick3d/imports/scene3d/scene3dsgmaterialshader.cpp
index 8de5f922b..8a4585558 100644
--- a/src/quick3d/imports/scene3d/scene3dsgmaterialshader.cpp
+++ b/src/quick3d/imports/scene3d/scene3dsgmaterialshader.cpp
@@ -72,6 +72,13 @@ namespace Qt3DRender {
 
 QSGMaterialType Scene3DSGMaterialShader::type;
 
+Scene3DSGMaterialShader::Scene3DSGMaterialShader()
+    : QSGMaterialShader()
+    , m_matrixId(-1)
+    , m_opacityId(-1)
+{
+}
+
 const char * const *Scene3DSGMaterialShader::attributeNames() const
 {
     static char const *const attr[] = { "qt_VertexPosition", "qt_VertexTexCoord", 0 };