diff --git a/libavfilter/af_ashowinfo.c b/libavfilter/af_ashowinfo.c
index 783f9a6e3e..c105efb0fd 100644
--- a/libavfilter/af_ashowinfo.c
+++ b/libavfilter/af_ashowinfo.c
@@ -83,7 +83,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *buf)
     av_log(ctx, AV_LOG_INFO,
            "n:%"PRId64" pts:%s pts_time:%s pos:%"PRId64" "
            "fmt:%s channels:%d chlayout:%s rate:%d nb_samples:%d "
-           "checksum:%08X ",
+           "checksum:%08"PRIX32" ",
            inlink->frame_count,
            av_ts2str(buf->pts), av_ts2timestr(buf->pts, &inlink->time_base),
            av_frame_get_pkt_pos(buf),
@@ -93,7 +93,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *buf)
 
     av_log(ctx, AV_LOG_INFO, "plane_checksums: [ ");
     for (i = 0; i < planes; i++)
-        av_log(ctx, AV_LOG_INFO, "%08X ", s->plane_checksums[i]);
+        av_log(ctx, AV_LOG_INFO, "%08"PRIX32" ", s->plane_checksums[i]);
     av_log(ctx, AV_LOG_INFO, "]\n");
 
     return ff_filter_frame(inlink->dst->outputs[0], buf);
diff --git a/libavfilter/vf_showinfo.c b/libavfilter/vf_showinfo.c
index ade3e1ae06..de2e994c0d 100644
--- a/libavfilter/vf_showinfo.c
+++ b/libavfilter/vf_showinfo.c
@@ -22,6 +22,8 @@
  * filter for showing textual video frame information
  */
 
+#include <inttypes.h>
+
 #include "libavutil/adler32.h"
 #include "libavutil/imgutils.h"
 #include "libavutil/internal.h"
@@ -56,7 +58,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
     av_log(ctx, AV_LOG_INFO,
            "n:%"PRId64" pts:%s pts_time:%s pos:%"PRId64" "
            "fmt:%s sar:%d/%d s:%dx%d i:%c iskey:%d type:%c "
-           "checksum:%08X plane_checksum:[%08X",
+           "checksum:%08"PRIX32" plane_checksum:[%08"PRIX32,
            inlink->frame_count,
            av_ts2str(frame->pts), av_ts2timestr(frame->pts, &inlink->time_base), av_frame_get_pkt_pos(frame),
            desc->name,
@@ -69,7 +71,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
            checksum, plane_checksum[0]);
 
     for (plane = 1; plane < 4 && frame->data[plane] && frame->linesize[plane]; plane++)
-        av_log(ctx, AV_LOG_INFO, " %08X", plane_checksum[plane]);
+        av_log(ctx, AV_LOG_INFO, " %08"PRIX32, plane_checksum[plane]);
     av_log(ctx, AV_LOG_INFO, "]\n");
 
     return ff_filter_frame(inlink->dst->outputs[0], frame);