diff --git a/sys/msdk/Makefile.am b/sys/msdk/Makefile.am
index 104d1b0609..186d7c5299 100644
--- a/sys/msdk/Makefile.am
+++ b/sys/msdk/Makefile.am
@@ -96,8 +96,9 @@ noinst_HEADERS += \
 	gstmsdkallocator_libva.h
 endif
 
-# TODO: add support for windows compilation
+# Windows compilation files, used by meson
 EXTRA_DIST = \
-	msdk_d3d.c
+	msdk_d3d.c \
+	gstmsdkallocator_d3d.c
 
 libgstmsdk_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
diff --git a/sys/nvenc/Makefile.am b/sys/nvenc/Makefile.am
index 7c237979ac..376c9f41b9 100644
--- a/sys/nvenc/Makefile.am
+++ b/sys/nvenc/Makefile.am
@@ -31,3 +31,6 @@ libgstnvenc_la_CFLAGS += $(GST_GL_CFLAGS)
 libgstnvenc_la_LIBADD += $(GST_GL_LIBS)
 endif
 libgstnvenc_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
+
+EXTRA_DIST = \
+	nvEncodeAPI.h