diff --git a/include/freerdp/client/geometry.h b/include/freerdp/client/geometry.h
index b37527fb6..59350f929 100644
--- a/include/freerdp/client/geometry.h
+++ b/include/freerdp/client/geometry.h
@@ -21,6 +21,7 @@
 #define FREERDP_CHANNELS_CLIENT_GEOMETRY_H
 
 #include <winpr/collections.h>
+#include <freerdp/api.h>
 #include <freerdp/channels/geometry.h>
 
 /**
@@ -63,8 +64,8 @@ struct _geometry_client_context
 extern "C"
 #endif
 
-void mappedGeometryRef(MAPPED_GEOMETRY *g);
-void mappedGeometryUnref(MAPPED_GEOMETRY *g);
+FREERDP_API void mappedGeometryRef(MAPPED_GEOMETRY *g);
+FREERDP_API void mappedGeometryUnref(MAPPED_GEOMETRY *g);
 
 #ifdef __cplusplus
 }
diff --git a/include/freerdp/gdi/video.h b/include/freerdp/gdi/video.h
index 1b04d5429..3f13013f1 100644
--- a/include/freerdp/gdi/video.h
+++ b/include/freerdp/gdi/video.h
@@ -19,6 +19,7 @@
 #ifndef FREERDP_GDI_VIDEO_H_
 #define FREERDP_GDI_VIDEO_H_
 
+#include <freerdp/api.h>
 #include <freerdp/freerdp.h>
 #include <freerdp/client/geometry.h>
 #include <freerdp/client/video.h>
@@ -26,17 +27,17 @@
 struct _gdiVideoContext;
 typedef struct _gdiVideoContext gdiVideoContext;
 
-void gdi_video_geometry_init(rdpGdi* gdi, GeometryClientContext* geom);
-void gdi_video_geometry_uninit(rdpGdi* gdi, GeometryClientContext* geom);
+FREERDP_API void gdi_video_geometry_init(rdpGdi* gdi, GeometryClientContext* geom);
+FREERDP_API void gdi_video_geometry_uninit(rdpGdi* gdi, GeometryClientContext* geom);
 
-void gdi_video_control_init(rdpGdi* gdi, VideoClientContext* video);
-void gdi_video_control_uninit(rdpGdi* gdi, VideoClientContext* video);
+FREERDP_API void gdi_video_control_init(rdpGdi* gdi, VideoClientContext* video);
+FREERDP_API void gdi_video_control_uninit(rdpGdi* gdi, VideoClientContext* video);
 
-void gdi_video_data_init(rdpGdi* gdi, VideoClientContext* video);
-void gdi_video_data_uninit(rdpGdi* gdi, VideoClientContext* context);
+FREERDP_API void gdi_video_data_init(rdpGdi* gdi, VideoClientContext* video);
+FREERDP_API void gdi_video_data_uninit(rdpGdi* gdi, VideoClientContext* context);
 
-gdiVideoContext* gdi_video_new(rdpGdi* gdi);
-void gdi_video_free(gdiVideoContext* context);
+FREERDP_API gdiVideoContext* gdi_video_new(rdpGdi* gdi);
+FREERDP_API void gdi_video_free(gdiVideoContext* context);
 
 
 #endif /* FREERDP_GDI_VIDEO_H_ */