diff --git a/libavfilter/avfilter.c b/libavfilter/avfilter.c
index 91eb7f97cf..d1c82cee2f 100644
--- a/libavfilter/avfilter.c
+++ b/libavfilter/avfilter.c
@@ -707,3 +707,16 @@ int avfilter_copy_frame_props(AVFilterBufferRef *dst, const AVFrame *src)
 
     return 0;
 }
+
+void avfilter_copy_buffer_ref_props(AVFilterBufferRef *dst, AVFilterBufferRef *src)
+{
+    // copy common properties
+    dst->pts             = src->pts;
+    dst->pos             = src->pos;
+
+    switch (src->type) {
+    case AVMEDIA_TYPE_VIDEO: *dst->video = *src->video; break;
+    case AVMEDIA_TYPE_AUDIO: *dst->audio = *src->audio; break;
+    default: break;
+    }
+}
diff --git a/libavfilter/avfilter.h b/libavfilter/avfilter.h
index 89ab7dbe2a..c2049f98fe 100644
--- a/libavfilter/avfilter.h
+++ b/libavfilter/avfilter.h
@@ -145,18 +145,7 @@ typedef struct AVFilterBufferRef {
 /**
  * Copy properties of src to dst, without copying the actual data
  */
-static inline void avfilter_copy_buffer_ref_props(AVFilterBufferRef *dst, AVFilterBufferRef *src)
-{
-    // copy common properties
-    dst->pts             = src->pts;
-    dst->pos             = src->pos;
-
-    switch (src->type) {
-    case AVMEDIA_TYPE_VIDEO: *dst->video = *src->video; break;
-    case AVMEDIA_TYPE_AUDIO: *dst->audio = *src->audio; break;
-    default: break;
-    }
-}
+void avfilter_copy_buffer_ref_props(AVFilterBufferRef *dst, AVFilterBufferRef *src);
 
 /**
  * Add a new reference to a buffer.
diff --git a/libavfilter/version.h b/libavfilter/version.h
index 5d646e4f86..718ed7812e 100644
--- a/libavfilter/version.h
+++ b/libavfilter/version.h
@@ -30,7 +30,7 @@
 
 #define LIBAVFILTER_VERSION_MAJOR  2
 #define LIBAVFILTER_VERSION_MINOR  16
-#define LIBAVFILTER_VERSION_MICRO  0
+#define LIBAVFILTER_VERSION_MICRO  1
 
 #define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
                                                LIBAVFILTER_VERSION_MINOR, \