diff --git a/libraries/entities-renderer/src/RenderableMaterialEntityItem.h b/libraries/entities-renderer/src/RenderableMaterialEntityItem.h
index d714727c7a..0c347155e0 100644
--- a/libraries/entities-renderer/src/RenderableMaterialEntityItem.h
+++ b/libraries/entities-renderer/src/RenderableMaterialEntityItem.h
@@ -41,8 +41,8 @@ private:
     quint16 _priority;
     QUuid _parentID;
 
-    MaterialMappingMode _materialMappingMode;
-    bool _materialRepeat;
+    MaterialMappingMode _materialMappingMode { UNSET_MATERIAL_MAPPING_MODE };
+    bool _materialRepeat { false };
     glm::vec2 _materialMappingPos;
     glm::vec2 _materialMappingScale;
     float _materialMappingRot;
diff --git a/libraries/shared/src/MaterialMappingMode.h b/libraries/shared/src/MaterialMappingMode.h
index 848c2aa28c..190c0603b2 100644
--- a/libraries/shared/src/MaterialMappingMode.h
+++ b/libraries/shared/src/MaterialMappingMode.h
@@ -13,7 +13,8 @@
 
 enum MaterialMappingMode {
     UV = 0,
-    PROJECTED
+    PROJECTED,
+    UNSET_MATERIAL_MAPPING_MODE
 };
 
 class MaterialMappingModeHelpers {