diff --git a/stepmania/src/RageDisplay_D3D.cpp b/stepmania/src/RageDisplay_D3D.cpp
index 63032f88f2..aff989c185 100644
--- a/stepmania/src/RageDisplay_D3D.cpp
+++ b/stepmania/src/RageDisplay_D3D.cpp
@@ -827,7 +827,7 @@ void RageDisplay_D3D::SetBlendMode( BlendMode mode )
 		g_pd3dDevice->SetRenderState( D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA );
 		break;
 	case BLEND_ADD:
-		g_pd3dDevice->SetRenderState( D3DRS_SRCBLEND,  D3DBLEND_ONE );
+		g_pd3dDevice->SetRenderState( D3DRS_SRCBLEND,  D3DBLEND_SRCALPHA );
 		g_pd3dDevice->SetRenderState( D3DRS_DESTBLEND, D3DBLEND_ONE );
 		break;
 	case BLEND_NO_EFFECT:
diff --git a/stepmania/src/RageDisplay_OGL.cpp b/stepmania/src/RageDisplay_OGL.cpp
index be5e9acb6d..18b98abff4 100644
--- a/stepmania/src/RageDisplay_OGL.cpp
+++ b/stepmania/src/RageDisplay_OGL.cpp
@@ -974,7 +974,7 @@ void RageDisplay_OGL::SetBlendMode( BlendMode mode )
 		glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
 		break;
 	case BLEND_ADD:
-		glBlendFunc( GL_ONE, GL_ONE );
+		glBlendFunc( GL_SRC_ALPHA, GL_ONE );
 		break;
 	case BLEND_NO_EFFECT:
 		glBlendFunc( GL_ZERO, GL_ONE );