diff --git a/libffabi/src/ffabi.c b/libffabi/src/ffabi.c
index 5dda9e1..2b29b87 100644
--- a/libffabi/src/ffabi.c
+++ b/libffabi/src/ffabi.c
@@ -478,7 +478,7 @@ FFM_AudioEncodeContext* __cdecl ffm_audio_encode_init(void* logctx,const char* n
 #else
     ctx->frame = av_frame_alloc();
     if (av_sample_fmt_is_planar(ctx->avctx->sample_fmt)) {
-        ctx->frame_extended_data = av_mallocz_array(ctx->avctx->channels,
+        ctx->frame_extended_data = av_calloc(ctx->avctx->channels,
             sizeof(*ctx->frame_extended_data));
         if (!ctx->frame_extended_data) {
             ffm_audio_encode_close(ctx);