diff --git a/dlls/wined3d/pixelshader.c b/dlls/wined3d/pixelshader.c
index a1c8bf088a0..4a242131f4c 100644
--- a/dlls/wined3d/pixelshader.c
+++ b/dlls/wined3d/pixelshader.c
@@ -919,6 +919,8 @@ static HRESULT WINAPI IWineD3DPixelShaderImpl_SetFunction(IWineD3DPixelShader *i
     HRESULT hr;
     shader_reg_maps reg_maps;
 
+    TRACE("(%p) : pFunction %p\n", iface, pFunction);
+
     /* First pass: trace shader */
     shader_trace_init((IWineD3DBaseShader*) This, pFunction);
     pshader_set_limits(This);
diff --git a/dlls/wined3d/vertexshader.c b/dlls/wined3d/vertexshader.c
index 84f90f5edc3..c0ee39957bb 100644
--- a/dlls/wined3d/vertexshader.c
+++ b/dlls/wined3d/vertexshader.c
@@ -1126,6 +1126,8 @@ static HRESULT WINAPI IWineD3DVertexShaderImpl_SetFunction(IWineD3DVertexShader
     HRESULT hr;
     shader_reg_maps reg_maps;
 
+    TRACE("(%p) : pFunction %p\n", iface, pFunction);
+
     /* First pass: trace shader */
     shader_trace_init((IWineD3DBaseShader*) This, pFunction);
     vshader_set_limits(This);