diff --git a/gfx/d3d9/render_chain.cpp b/gfx/d3d9/render_chain.cpp
index 323a36c12a..49134169fd 100644
--- a/gfx/d3d9/render_chain.cpp
+++ b/gfx/d3d9/render_chain.cpp
@@ -16,7 +16,7 @@
 #include "render_chain.hpp"
 #include <string.h>
 
-static inline D3DTEXTUREFILTERTYPE translate_filter(enum gfx_filter_type type)
+static inline D3DTEXTUREFILTERTYPE translate_filter(unsigned type)
 {
    if (type == RARCH_FILTER_UNSPEC)
       return g_settings.video.smooth ? D3DTEXF_LINEAR : D3DTEXF_POINT;
diff --git a/gfx/d3d9/render_chain.hpp b/gfx/d3d9/render_chain.hpp
index 02f128d929..268596f774 100644
--- a/gfx/d3d9/render_chain.hpp
+++ b/gfx/d3d9/render_chain.hpp
@@ -119,7 +119,7 @@ void renderchain_start_render(void *data);
 void renderchain_end_render(void *data);
 bool renderchain_render(void *chain_data, const void *data,
       unsigned width, unsigned height, unsigned pitch, unsigned rotation);
-D3DTEXTUREFILTERTYPE renderchain_translate_filter(enum gfx_filter_type type);
+D3DTEXTUREFILTERTYPE renderchain_translate_filter(unsigned type);
 D3DTEXTUREFILTERTYPE renderchain_translate_filter(bool smooth);
 bool renderchain_create_first_pass(void *data, const LinkInfo *info, PixelFormat fmt);
 void renderchain_set_vertices(void *data, Pass &pass,