diff --git a/radiantcore/rendersystem/backend/OpenGLShader.cpp b/radiantcore/rendersystem/backend/OpenGLShader.cpp
index c615c1216c..b46ee908b1 100644
--- a/radiantcore/rendersystem/backend/OpenGLShader.cpp
+++ b/radiantcore/rendersystem/backend/OpenGLShader.cpp
@@ -340,7 +340,7 @@ void OpenGLShader::appendInteractionLayer(const DBSTriplet& triplet)
     setGLTexturesFromTriplet(dbsPass, triplet);
 
     // Set render flags
-    //dbsPass.setRenderFlag(RENDER_BLEND);
+    dbsPass.setRenderFlag(RENDER_BLEND);
     dbsPass.setRenderFlag(RENDER_FILL);
     dbsPass.setRenderFlag(RENDER_TEXTURE_2D);
     dbsPass.setRenderFlag(RENDER_CULLFACE);