diff --git a/hw/xbox/nv2a/pgraph/gl/constants.h b/hw/xbox/nv2a/pgraph/gl/constants.h
index d78b0054e3..cb789efebd 100644
--- a/hw/xbox/nv2a/pgraph/gl/constants.h
+++ b/hw/xbox/nv2a/pgraph/gl/constants.h
@@ -79,8 +79,8 @@ static const GLenum pgraph_blend_equation_gl_map[] = {
     GL_FUNC_ADD,
     GL_MIN,
     GL_MAX,
-    GL_FUNC_REVERSE_SUBTRACT,
     GL_FUNC_ADD,
+    GL_FUNC_REVERSE_SUBTRACT,
 };
 
 /* FIXME
diff --git a/hw/xbox/nv2a/pgraph/pgraph.c b/hw/xbox/nv2a/pgraph/pgraph.c
index 7a86fa862e..9db475796e 100644
--- a/hw/xbox/nv2a/pgraph/pgraph.c
+++ b/hw/xbox/nv2a/pgraph/pgraph.c
@@ -1384,9 +1384,9 @@ DEF_METHOD(NV097, SET_BLEND_EQUATION)
         equation = 3; break;
     case NV097_SET_BLEND_EQUATION_V_MAX:
         equation = 4; break;
-    case NV097_SET_BLEND_EQUATION_V_FUNC_ADD_SIGNED:
-        equation = 5; break;
     case NV097_SET_BLEND_EQUATION_V_FUNC_REVERSE_SUBTRACT_SIGNED:
+        equation = 5; break;
+    case NV097_SET_BLEND_EQUATION_V_FUNC_ADD_SIGNED:
         equation = 6; break;
     default:
         NV2A_DPRINTF("Unknown blend equation: 0x%08x\n", parameter);
diff --git a/hw/xbox/nv2a/pgraph/vk/constants.h b/hw/xbox/nv2a/pgraph/vk/constants.h
index eb7e97dbc0..f86f48cb5c 100644
--- a/hw/xbox/nv2a/pgraph/vk/constants.h
+++ b/hw/xbox/nv2a/pgraph/vk/constants.h
@@ -77,8 +77,8 @@ static const VkBlendOp pgraph_blend_equation_vk_map[] = {
     VK_BLEND_OP_ADD,
     VK_BLEND_OP_MIN,
     VK_BLEND_OP_MAX,
-    VK_BLEND_OP_REVERSE_SUBTRACT,
     VK_BLEND_OP_ADD,
+    VK_BLEND_OP_REVERSE_SUBTRACT,
 };
 
 /* FIXME