diff --git a/dlls/wined3d/device.c b/dlls/wined3d/device.c
index a52ec2680cc..ed9978dfad1 100644
--- a/dlls/wined3d/device.c
+++ b/dlls/wined3d/device.c
@@ -3316,12 +3316,6 @@ static HRESULT WINAPI IWineD3DDeviceImpl_SetRenderState(IWineD3DDevice *iface, W
 
     IWineD3DDeviceImpl  *This     = (IWineD3DDeviceImpl *)iface;
 
-    /* Simple way of referring to either a DWORD or a 4 byte float */
-    union {
-        DWORD d;
-        float f;
-    } tmpvalue;
-
     TRACE("(%p)->state = %s(%d), value = %d\n", This, debug_d3drenderstate(State), State, Value);
     This->updateStateBlock->changed.renderState[State] = TRUE;
     This->updateStateBlock->set.renderState[State] = TRUE;
@@ -3432,6 +3426,7 @@ static HRESULT WINAPI IWineD3DDeviceImpl_SetRenderState(IWineD3DDevice *iface, W
     case WINED3DRS_ANTIALIAS :
     case WINED3DRS_MULTISAMPLEMASK :
     case WINED3DRS_PATCHEDGESTYLE :
+    case WINED3DRS_PATCHSEGMENTS :
         StateTable[STATE_RENDER(State)].apply(STATE_RENDER(State), This->stateBlock);
         break;
 
@@ -3442,15 +3437,6 @@ static HRESULT WINAPI IWineD3DDeviceImpl_SetRenderState(IWineD3DDevice *iface, W
         return WINED3DERR_INVALIDCALL;
       }
 
-    case WINED3DRS_PATCHSEGMENTS :
-    {
-        /* available in d3d8 but in d3d9 it was replaced by IDirect3DDevice9::SetNPatchMode */
-        tmpvalue.f = 1.0f;
-        if(tmpvalue.d != Value)
-            ERR("(%p)->(%s,%d) not yet implemented\n", This, debug_d3drenderstate(State), Value);
-        break;
-    }
-
     case WINED3DRS_DEBUGMONITORTOKEN :
     {
         /* Only useful for "debug builds". */
diff --git a/dlls/wined3d/state.c b/dlls/wined3d/state.c
index 1b1ecf9c65c..71ab64ff33a 100644
--- a/dlls/wined3d/state.c
+++ b/dlls/wined3d/state.c
@@ -1178,6 +1178,18 @@ static void state_patchededge(DWORD state, IWineD3DStateBlockImpl *stateblock) {
         ERR("(WINED3DRS_PATCHEDGESTYLE,%d) not yet implemented\n", stateblock->renderState[WINED3DRS_PATCHEDGESTYLE]);
 }
 
+static void state_patchsegments(DWORD state, IWineD3DStateBlockImpl *stateblock) {
+    union {
+        DWORD d;
+        float f;
+    } tmpvalue;
+    tmpvalue.f = 1.0f;
+
+    TRACE("Stub\n");
+    if (stateblock->renderState[WINED3DRS_PATCHSEGMENTS] != tmpvalue.d)
+        ERR("(WINED3DRS_PATCHSEGMENTS,%d) not yet implemented\n", tmpvalue.d);
+}
+
 const struct StateEntry StateTable[] =
 {
       /* State name                                         representative,                                     apply function */
@@ -1347,7 +1359,7 @@ const struct StateEntry StateTable[] =
     { /*161, WINED3DRS_MULTISAMPLEANTIALIAS         */      STATE_RENDER(WINED3DRS_MULTISAMPLEANTIALIAS),       state_multisampleaa },
     { /*162, WINED3DRS_MULTISAMPLEMASK              */      STATE_RENDER(WINED3DRS_MULTISAMPLEMASK),            state_multisampmask },
     { /*163, WINED3DRS_PATCHEDGESTYLE               */      STATE_RENDER(WINED3DRS_PATCHEDGESTYLE),             state_patchededge   },
-    { /*164, WINED3DRS_PATCHSEGMENTS                */      STATE_RENDER(WINED3DRS_PATCHSEGMENTS),              state_unknown       },
+    { /*164, WINED3DRS_PATCHSEGMENTS                */      STATE_RENDER(WINED3DRS_PATCHSEGMENTS),              state_patchsegments },
     { /*165, WINED3DRS_DEBUGMONITORTOKEN            */      STATE_RENDER(WINED3DRS_DEBUGMONITORTOKEN),          state_unknown       },
     { /*166, WINED3DRS_POINTSIZE_MAX                */      STATE_RENDER(WINED3DRS_POINTSIZE_MAX),              state_psizemax      },
     { /*167, WINED3DRS_INDEXEDVERTEXBLENDENABLE     */      0,                                                  state_nogl          },