Index: trunk/src/engine/material_manager.cc
===================================================================
--- trunk/src/engine/material_manager.cc	(revision 516)
+++ trunk/src/engine/material_manager.cc	(revision 517)
@@ -17,7 +17,7 @@
 	, m_image_manager( imgmgr )
 {
-	uint8 data[2 * 2 * 3];
-	nv::raw_fill_n( data, 2 * 2 * 3, 0 );
-	m_default = m_context->create_texture( ivec2(2,2), nv::image_format( nv::RGB ), nv::sampler(), data );
+	uint8 data[2 * 2 * 4];
+	nv::raw_fill_n( data, 2 * 2 * 4, 0 );
+	m_default = m_context->create_texture( ivec2(2,2), nv::image_format( nv::RGBA ), nv::sampler(), data );
 }