diff --git a/dlls/d3d10core/shader.c b/dlls/d3d10core/shader.c
index ee470016774..dbd61326821 100644
--- a/dlls/d3d10core/shader.c
+++ b/dlls/d3d10core/shader.c
@@ -368,10 +368,12 @@ static void STDMETHODCALLTYPE d3d10_geometry_shader_GetDevice(ID3D10GeometryShad
 static HRESULT STDMETHODCALLTYPE d3d10_geometry_shader_GetPrivateData(ID3D10GeometryShader *iface,
         REFGUID guid, UINT *data_size, void *data)
 {
-    FIXME("iface %p, guid %s, data_size %p, data %p stub!\n",
+    struct d3d10_geometry_shader *shader = impl_from_ID3D10GeometryShader(iface);
+
+    TRACE("iface %p, guid %s, data_size %p, data %p.\n",
             iface, debugstr_guid(guid), data_size, data);
 
-    return E_NOTIMPL;
+    return d3d10_get_private_data(&shader->private_store, guid, data_size, data);
 }
 
 static HRESULT STDMETHODCALLTYPE d3d10_geometry_shader_SetPrivateData(ID3D10GeometryShader *iface,