diff --git a/XenAdmin/Controls/GPU/GpuConfiguration.cs b/XenAdmin/Controls/GPU/GpuConfiguration.cs
index f538c9b9e..a7b438702 100644
--- a/XenAdmin/Controls/GPU/GpuConfiguration.cs
+++ b/XenAdmin/Controls/GPU/GpuConfiguration.cs
@@ -55,7 +55,7 @@ namespace XenAdmin.Controls.GPU
                     dataGridViewEx1.Rows.AddRange((from supportedVGpuTypeRef in pGpu.supported_VGPU_types
                                                    let supportedVGpuType = pGpu.Connection.Resolve(supportedVGpuTypeRef)
                                                    let enabled = pGpu.enabled_VGPU_types.Contains(supportedVGpuTypeRef)
-                                                   let isInUse = pGpuList.Any(p => p.Connection.ResolveAll(p.resident_VGPUs).Any(v => v.type == supportedVGpuTypeRef))
+                                                   let isInUse = pGpuList.Any(p => p.Connection.ResolveAll(p.resident_VGPUs).Any(v => v.type.opaque_ref == supportedVGpuTypeRef.opaque_ref))
                                                    orderby supportedVGpuType.Capacity ascending 
                                                    
                                                    select new VGpuDetailWithCheckBoxRow(supportedVGpuTypeRef, supportedVGpuType, enabled, isInUse)