diff --git a/libavformat/icodec.c b/libavformat/icodec.c
index 4c038e9614..847f0eea2f 100644
--- a/libavformat/icodec.c
+++ b/libavformat/icodec.c
@@ -58,7 +58,7 @@ static int read_header(AVFormatContext *s)
     avio_skip(pb, 4);
     ico->nb_images = avio_rl16(pb);
 
-    ico->images = av_malloc(ico->nb_images * sizeof(IcoImage));
+    ico->images = av_malloc_array(ico->nb_images, sizeof(IcoImage));
     if (!ico->images)
         return AVERROR(ENOMEM);
 
diff --git a/libavformat/icoenc.c b/libavformat/icoenc.c
index 561c6cadcc..dcf906513a 100644
--- a/libavformat/icoenc.c
+++ b/libavformat/icoenc.c
@@ -101,7 +101,7 @@ static int ico_write_header(AVFormatContext *s)
         avio_skip(pb, 16);
     }
 
-    ico->images = av_mallocz(ico->nb_images * sizeof(IcoMuxContext));
+    ico->images = av_mallocz_array(ico->nb_images, sizeof(IcoMuxContext));
     if (!ico->images)
         return AVERROR(ENOMEM);