diff --git a/spine-unity/Assets/spine-unity/Asset Types/Editor/SkeletonDataAssetInspector.cs b/spine-unity/Assets/spine-unity/Asset Types/Editor/SkeletonDataAssetInspector.cs
index 43ee8ce84..c6d0bbc95 100644
--- a/spine-unity/Assets/spine-unity/Asset Types/Editor/SkeletonDataAssetInspector.cs	
+++ b/spine-unity/Assets/spine-unity/Asset Types/Editor/SkeletonDataAssetInspector.cs	
@@ -726,6 +726,9 @@ namespace Spine.Unity.Editor {
 		}
 
 		void DoRenderPreview (bool drawHandles) {
+			if (this.PreviewUtilityCamera.activeTexture == null || this.PreviewUtilityCamera.targetTexture == null )
+				return;
+
 			GameObject go = this.m_previewInstance;
 
 			if (m_requireRefresh && go != null) {