diff --git a/gfx/d3d/render_chain_driver.cpp b/gfx/d3d/render_chain_driver.c
similarity index 100%
rename from gfx/d3d/render_chain_driver.cpp
rename to gfx/d3d/render_chain_driver.c
diff --git a/gfx/d3d/render_chain_driver.h b/gfx/d3d/render_chain_driver.h
index 504ac14af5..a92012f6bd 100644
--- a/gfx/d3d/render_chain_driver.h
+++ b/gfx/d3d/render_chain_driver.h
@@ -22,6 +22,10 @@
 #include "../../libretro.h"
 #include "d3d_defines.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 struct LinkInfo
 {
    unsigned tex_w, tex_h;
@@ -72,5 +76,9 @@ extern renderchain_driver_t null_renderchain;
 bool renderchain_init_first(const renderchain_driver_t **renderchain_driver,
 	void **renderchain_handle);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif
 
diff --git a/gfx/d3d/render_chain_null.cpp b/gfx/d3d/render_chain_null.c
similarity index 100%
rename from gfx/d3d/render_chain_null.cpp
rename to gfx/d3d/render_chain_null.c
diff --git a/griffin/griffin.c b/griffin/griffin.c
index 714ea82be8..4d701a1574 100644
--- a/griffin/griffin.c
+++ b/griffin/griffin.c
@@ -226,14 +226,14 @@ VIDEO DRIVER
 #if defined(HAVE_D3D)
 #include "../gfx/d3d/d3d_wrapper.cpp"
 #include "../gfx/d3d/d3d.cpp"
-#include "../gfx/d3d/render_chain_driver.cpp"
+#include "../gfx/d3d/render_chain_driver.c"
 #ifdef _XBOX
 #include "../gfx/d3d/render_chain_xdk.cpp"
 #endif
 #ifdef HAVE_CG
 #include "../gfx/d3d/render_chain_cg.cpp"
 #endif
-#include "../gfx/d3d/render_chain_null.cpp"
+#include "../gfx/d3d/render_chain_null.c"
 #endif
 
 #if defined(GEKKO)