diff --git a/dlls/d3d10core/device.c b/dlls/d3d10core/device.c
index ff31b53de52f366d13c9288eb89f731245847330..336ae8522379bf8475f4cf276f17830e12d9b8c2 100644
--- a/dlls/d3d10core/device.c
+++ b/dlls/d3d10core/device.c
@@ -166,7 +166,12 @@ static void STDMETHODCALLTYPE d3d10_device_PSSetConstantBuffers(ID3D10Device *if
 
 static void STDMETHODCALLTYPE d3d10_device_IASetInputLayout(ID3D10Device *iface, ID3D10InputLayout *input_layout)
 {
-    FIXME("iface %p, input_layout %p stub!\n", iface, input_layout);
+    struct d3d10_device *This = (struct d3d10_device *)iface;
+
+    TRACE("iface %p, input_layout %p\n", iface, input_layout);
+
+    IWineD3DDevice_SetVertexDeclaration(This->wined3d_device,
+            ((struct d3d10_input_layout *)input_layout)->wined3d_decl);
 }
 
 static void STDMETHODCALLTYPE d3d10_device_IASetVertexBuffers(ID3D10Device *iface,