diff --git a/qrenderdoc/Windows/PipelineState/D3D12PipelineStateViewer.cpp b/qrenderdoc/Windows/PipelineState/D3D12PipelineStateViewer.cpp
index d6dc79412..529b76d0a 100644
--- a/qrenderdoc/Windows/PipelineState/D3D12PipelineStateViewer.cpp
+++ b/qrenderdoc/Windows/PipelineState/D3D12PipelineStateViewer.cpp
@@ -1695,7 +1695,10 @@ void D3D12PipelineStateViewer::setState()
     setShaderState(state.rootElements, state.meshShader, ui->msShader, ui->msRootSig,
                    ui->msResources, ui->msSamplers, ui->msCBuffers, ui->msUAVs);
 
-    ui->msTopology->setText(ToQStr(state.meshShader.reflection->outputTopology));
+    if(state.meshShader.reflection)
+      ui->msTopology->setText(ToQStr(state.meshShader.reflection->outputTopology));
+    else
+      ui->msTopology->setText(QString());
   }
   else
   {
diff --git a/qrenderdoc/Windows/PipelineState/VulkanPipelineStateViewer.cpp b/qrenderdoc/Windows/PipelineState/VulkanPipelineStateViewer.cpp
index c697630e3..291163fea 100644
--- a/qrenderdoc/Windows/PipelineState/VulkanPipelineStateViewer.cpp
+++ b/qrenderdoc/Windows/PipelineState/VulkanPipelineStateViewer.cpp
@@ -2300,7 +2300,10 @@ void VulkanPipelineStateViewer::setState()
     setShaderState(state.taskShader, state.graphics, ui->tsShader, ui->tsResources, ui->tsUBOs);
     setShaderState(state.meshShader, state.graphics, ui->msShader, ui->msResources, ui->msUBOs);
 
-    ui->msTopology->setText(ToQStr(state.meshShader.reflection->outputTopology));
+    if(state.meshShader.reflection)
+      ui->msTopology->setText(ToQStr(state.meshShader.reflection->outputTopology));
+    else
+      ui->msTopology->setText(QString());
   }
   else
   {