diff --git a/src/d3d11/d3d11_device.cpp b/src/d3d11/d3d11_device.cpp
index bf492c023..e20b169e0 100644
--- a/src/d3d11/d3d11_device.cpp
+++ b/src/d3d11/d3d11_device.cpp
@@ -2022,6 +2022,9 @@ namespace dxvk {
           size_t                  BytecodeLength,
           ID3D11ClassLinkage*     pClassLinkage,
     const DxbcModuleInfo*         pModuleInfo) {
+    if (!BytecodeLength || !pShaderBytecode)
+      return E_INVALIDARG;
+
     if (pClassLinkage != nullptr)
       Logger::warn("D3D11Device::CreateShaderModule: Class linkage not supported");