diff --git a/stepmania/src/RageDisplay_OGL.cpp b/stepmania/src/RageDisplay_OGL.cpp
index 3b4771bc1c..0a11e8e279 100644
--- a/stepmania/src/RageDisplay_OGL.cpp
+++ b/stepmania/src/RageDisplay_OGL.cpp
@@ -1445,8 +1445,7 @@ void RageDisplay_OGL::SetBlendMode( BlendMode mode )
 	case BLEND_NO_EFFECT:
 		glBlendFunc( GL_ZERO, GL_ONE );
 		break;
-	default:
-		ASSERT(0);
+	DEFAULT_FAIL( mode );
 	}
 }