diff --git a/source/Irrlicht/COpenGLDriver.cpp b/source/Irrlicht/COpenGLDriver.cpp
index 81c7250..511c88c 100644
--- a/source/Irrlicht/COpenGLDriver.cpp
+++ b/source/Irrlicht/COpenGLDriver.cpp
@@ -2851,6 +2851,7 @@ void COpenGLDriver::setRenderStates2DMode(bool alpha, bool texture, bool alphaCh
 		}
 
 		CacheHandler->setBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+		CacheHandler->setBlendEquation(GL_FUNC_ADD);
 
 #ifdef GL_EXT_clip_volume_hint
 		if (FeatureAvailable[IRR_EXT_clip_volume_hint])