diff --git a/source/Irrlicht/COGLES2Driver.cpp b/source/Irrlicht/COGLES2Driver.cpp
index ba435a10..dcf6bc0c 100644
--- a/source/Irrlicht/COGLES2Driver.cpp
+++ b/source/Irrlicht/COGLES2Driver.cpp
@@ -1766,8 +1766,7 @@ COGLES2Driver::~COGLES2Driver()
 		}
 
 		// ZWrite
-		if (material.ZWriteEnable && (AllowZWriteOnTransparent || (material.BlendOperation == EBO_NONE &&
-				!MaterialRenderers[material.MaterialType].Renderer->isTransparent())))
+		if (getWriteZBuffer(material))
 		{
 			CacheHandler->setDepthMask(true);
 		}
diff --git a/source/Irrlicht/COGLESDriver.cpp b/source/Irrlicht/COGLESDriver.cpp
index 0ee90a93..c7824a11 100644
--- a/source/Irrlicht/COGLESDriver.cpp
+++ b/source/Irrlicht/COGLESDriver.cpp
@@ -1705,15 +1705,13 @@ void COGLES1Driver::setBasicRenderStates(const SMaterial& material, const SMater
 	}
 
 	// zwrite
-//	if (resetAllRenderStates || lastmaterial.ZWriteEnable != material.ZWriteEnable)
+	if (getWriteZBuffer(material))
 	{
-		if (material.ZWriteEnable && (AllowZWriteOnTransparent || (material.BlendOperation == EBO_NONE &&
-					!MaterialRenderers[material.MaterialType].Renderer->isTransparent())))
-		{
-			glDepthMask(GL_TRUE);
-		}
-		else
-			glDepthMask(GL_FALSE);
+		glDepthMask(GL_TRUE);
+	}
+	else
+	{
+		glDepthMask(GL_FALSE);
 	}
 
 	// back face culling