diff --git a/src/OpenGL/libGLES_CM/utilities.cpp b/src/OpenGL/libGLES_CM/utilities.cpp
index b03f15c..b0b110a 100644
--- a/src/OpenGL/libGLES_CM/utilities.cpp
+++ b/src/OpenGL/libGLES_CM/utilities.cpp
@@ -102,6 +102,8 @@
 	{
 		switch(internalformat)
 		{
+		case GL_RGB:
+		case GL_RGBA:
 		case GL_RGBA4_OES:
 		case GL_RGB5_A1_OES:
 		case GL_RGB565_OES: