diff --git a/gst-libs/gst/allocators/gstdmabuf.h b/gst-libs/gst/allocators/gstdmabuf.h
index c6301daacd..9410f65e9f 100644
--- a/gst-libs/gst/allocators/gstdmabuf.h
+++ b/gst-libs/gst/allocators/gstdmabuf.h
@@ -95,14 +95,19 @@ struct _GstDmaBufAllocatorClass
 };
 
 
-GType gst_dmabuf_allocator_get_type (void);
+GST_EXPORT
+GType          gst_dmabuf_allocator_get_type (void);
 
+GST_EXPORT
 GstAllocator * gst_dmabuf_allocator_new (void);
 
+GST_EXPORT
 GstMemory    * gst_dmabuf_allocator_alloc (GstAllocator * allocator, gint fd, gsize size);
 
+GST_EXPORT
 gint           gst_dmabuf_memory_get_fd (GstMemory * mem);
 
+GST_EXPORT
 gboolean       gst_is_dmabuf_memory (GstMemory * mem);
 
 
diff --git a/gst-libs/gst/allocators/gstfdmemory.h b/gst-libs/gst/allocators/gstfdmemory.h
index 40c90d0bd0..25a7812b5d 100644
--- a/gst-libs/gst/allocators/gstfdmemory.h
+++ b/gst-libs/gst/allocators/gstfdmemory.h
@@ -76,13 +76,20 @@ struct _GstFdAllocatorClass
   GstAllocatorClass parent_class;
 };
 
-GType gst_fd_allocator_get_type (void);
+GST_EXPORT
+GType           gst_fd_allocator_get_type (void);
 
+GST_EXPORT
 GstAllocator *  gst_fd_allocator_new    (void);
+
+GST_EXPORT
 GstMemory *     gst_fd_allocator_alloc  (GstAllocator * allocator, gint fd,
                                          gsize size, GstFdMemoryFlags flags);
 
+GST_EXPORT
 gboolean        gst_is_fd_memory        (GstMemory *mem);
+
+GST_EXPORT
 gint            gst_fd_memory_get_fd    (GstMemory *mem);
 
 #ifdef G_DEFINE_AUTOPTR_CLEANUP_FUNC