diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c
index d6eb7d1899..181bc0a412 100644
--- a/libavformat/mxfdec.c
+++ b/libavformat/mxfdec.c
@@ -1249,7 +1249,9 @@ static int mxf_compute_index_tables(MXFContext *mxf)
         }
     }
 
-    if (!(mxf->index_tables = av_calloc(mxf->nb_index_tables, sizeof(MXFIndexTable)))) {
+    mxf->index_tables = av_mallocz_array(mxf->nb_index_tables,
+                                         sizeof(*mxf->index_tables));
+    if (!mxf->index_tables) {
         av_log(mxf->fc, AV_LOG_ERROR, "failed to allocate index tables\n");
         ret = AVERROR(ENOMEM);
         goto finish_decoding_index;
@@ -1268,8 +1270,12 @@ static int mxf_compute_index_tables(MXFContext *mxf)
     for (i = j = 0; j < mxf->nb_index_tables; i += mxf->index_tables[j++].nb_segments) {
         MXFIndexTable *t = &mxf->index_tables[j];
 
-        if (!(t->segments = av_calloc(t->nb_segments, sizeof(MXFIndexTableSegment*)))) {
-            av_log(mxf->fc, AV_LOG_ERROR, "failed to allocate IndexTableSegment pointer array\n");
+        t->segments = av_mallocz_array(t->nb_segments,
+                                       sizeof(*t->segments));
+
+        if (!t->segments) {
+            av_log(mxf->fc, AV_LOG_ERROR, "failed to allocate IndexTableSegment"
+                   " pointer array\n");
             ret = AVERROR(ENOMEM);
             goto finish_decoding_index;
         }