diff --git a/libs/vkd3d/command.c b/libs/vkd3d/command.c
index 017e6ac9..55fa9334 100644
--- a/libs/vkd3d/command.c
+++ b/libs/vkd3d/command.c
@@ -2910,6 +2910,12 @@ static void STDMETHODCALLTYPE d3d12_command_list_IASetPrimitiveTopology(ID3D12Gr
 
     TRACE("iface %p, topology %#x.\n", iface, topology);
 
+    if (topology == D3D_PRIMITIVE_TOPOLOGY_UNDEFINED)
+    {
+        WARN("Ignoring D3D_PRIMITIVE_TOPOLOGY_UNDEFINED.\n");
+        return;
+    }
+
     list->primitive_topology = vk_topology_from_d3d12_topology(topology);
     d3d12_command_list_invalidate_current_pipeline(list);
 }