diff --git a/libmpcodecs/vd.c b/libmpcodecs/vd.c
index 4ebb01e179..b47f85357b 100644
--- a/libmpcodecs/vd.c
+++ b/libmpcodecs/vd.c
@@ -53,7 +53,7 @@ extern vd_functions_t mpcodecs_vd_qtvideo;
  * decoder, add it to libavcodec, except for wrappers around external
  * libraries and decoders requiring binary support. */
 
-vd_functions_t* mpcodecs_vd_drivers[] = {
+const vd_functions_t * const mpcodecs_vd_drivers[] = {
         &mpcodecs_vd_null,
 #ifdef CONFIG_LIBAVCODEC
         &mpcodecs_vd_ffmpeg,
diff --git a/libmpcodecs/vd.h b/libmpcodecs/vd.h
index a3d77339c4..f05241b49e 100644
--- a/libmpcodecs/vd.h
+++ b/libmpcodecs/vd.h
@@ -18,7 +18,7 @@ typedef struct vd_functions_s
 } vd_functions_t;
 
 // NULL terminated array of all drivers
-extern vd_functions_t* mpcodecs_vd_drivers[];
+extern const vd_functions_t * const mpcodecs_vd_drivers[];
 
 extern int vd_use_slices;