Index: source/blender/editors/interface/interface_icons.c
===================================================================
--- source/blender/editors/interface/interface_icons.c	(revision 45669)
+++ source/blender/editors/interface/interface_icons.c	(working copy)
@@ -895,7 +895,7 @@
 	}
 	else {
 		glRasterPos2f(x, y);
-		glDrawPixels(w, h, GL_RGBA, GL_UNSIGNED_BYTE, rect);
+		glDrawPixels(w, h, 0x1406, GL_UNSIGNED_BYTE, rect);
 	}
 
 	if (ima)