diff --git a/sys/d3dvideosink/Makefile.am b/sys/d3dvideosink/Makefile.am
index 183e460cf6..76b79209df 100644
--- a/sys/d3dvideosink/Makefile.am
+++ b/sys/d3dvideosink/Makefile.am
@@ -4,11 +4,11 @@ libgstd3dvideosink_la_SOURCES = d3dvideosink.c directx/d3d.c directx/dx.c \
 	directx/directx9/dx9.c directx/directx9/dx9_d3d.c \
 	directx/directx10/dx10.c directx/directx10/dx10_d3d.c \
 	directx/directx11/dx11.c directx/directx11/dx11_d3d.c
-libgstd3dvideosink_la_CFLAGS = $(GST_PLUGINS_BAD_CFLAGS) $(GST_CFLAGS)
+libgstd3dvideosink_la_CFLAGS = $(GST_PLUGINS_BAD_CFLAGS) $(GST_CFLAGS) $(DIRECTX_CFLAGS)
 libgstd3dvideosink_la_LIBADD = $(GST_BASE_LIBS) $(GST_PLUGINS_BASE_LIBS) \
 	-lgstvideo-$(GST_MAJORMINOR) -lgstinterfaces-$(GST_MAJORMINOR) \
 	$(DIRECT3D_LIBS)
-libgstd3dvideosink_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
+libgstd3dvideosink_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) $(DIRECTX_LDFAGS)
 libgstd3dvideosink_la_LIBTOOLFLAGS = --tag=disable-static
 
 noinst_HEADERS = d3dvideosink.h directx/d3d.h directx/dx.h directx/directx.h \