diff --git a/libavfilter/avf_abitscope.c b/libavfilter/avf_abitscope.c
index 0f3e3594c1f315fd0751b149958e912cdcee33ee..0e3eaa422e3ba80b66c3b9ed1a1ca4215b3307ef 100644
--- a/libavfilter/avf_abitscope.c
+++ b/libavfilter/avf_abitscope.c
@@ -166,6 +166,8 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *insamples)
         memset(outpicref->data[0] + i * outpicref->linesize[0], 0, outlink->w * 4);
 
     outpicref->pts = insamples->pts;
+    outpicref->sample_aspect_ratio = (AVRational){1,1};
+
     switch (insamples->format) {
     case AV_SAMPLE_FMT_S16P:
         for (ch = 0; ch < inlink->channels; ch++) {
diff --git a/libavfilter/avf_avectorscope.c b/libavfilter/avf_avectorscope.c
index c6e278d30de7e303f02f329c2c3ecfe5f7d56575..7cb5efb402ad8ac70e6811d91c65ef53aca9b6ab 100644
--- a/libavfilter/avf_avectorscope.c
+++ b/libavfilter/avf_avectorscope.c
@@ -246,6 +246,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *insamples)
             return AVERROR(ENOMEM);
         }
 
+        s->outpicref->sample_aspect_ratio = (AVRational){1,1};
         for (i = 0; i < outlink->h; i++)
             memset(s->outpicref->data[0] + i * s->outpicref->linesize[0], 0, outlink->w * 4);
     }
diff --git a/libavfilter/avf_showfreqs.c b/libavfilter/avf_showfreqs.c
index 21735ed075f9e124d42a7ae9561c5b1940c3c4e4..068ff1fb88eccbda4f8859f8c8c4ddd3992368a7 100644
--- a/libavfilter/avf_showfreqs.c
+++ b/libavfilter/avf_showfreqs.c
@@ -434,6 +434,7 @@ static int plot_freqs(AVFilterLink *inlink, AVFrame *in)
 
     av_free(colors);
     out->pts = in->pts;
+    out->sample_aspect_ratio = (AVRational){1,1};
     return ff_filter_frame(outlink, out);
 }
 
diff --git a/libavfilter/avf_showspectrum.c b/libavfilter/avf_showspectrum.c
index ff66740a3a5a0fcb86aa4343664322e2d87a4a8a..4317161d7915b57c564f484e5b10b612c924c173 100644
--- a/libavfilter/avf_showspectrum.c
+++ b/libavfilter/avf_showspectrum.c
@@ -306,6 +306,7 @@ static int config_output(AVFilterLink *outlink)
 
     outlink->w = s->w;
     outlink->h = s->h;
+    outlink->sample_aspect_ratio = (AVRational){1,1};
 
     if (s->legend) {
         s->start_x = log10(inlink->sample_rate) * 25;
@@ -422,7 +423,7 @@ static int config_output(AVFilterLink *outlink)
             ff_get_video_buffer(outlink, outlink->w, outlink->h);
         if (!outpicref)
             return AVERROR(ENOMEM);
-        outlink->sample_aspect_ratio = (AVRational){1,1};
+        outpicref->sample_aspect_ratio = (AVRational){1,1};
         for (i = 0; i < outlink->h; i++) {
             memset(outpicref->data[0] + i * outpicref->linesize[0],   0, outlink->w);
             memset(outpicref->data[1] + i * outpicref->linesize[1], 128, outlink->w);
diff --git a/libavfilter/f_ebur128.c b/libavfilter/f_ebur128.c
index daeb9f9b5808e37a5da6fd2858e343c2aa0891aa..1e8b90fa2fadb836e81b5e9c5b45b3b8854e1ae0 100644
--- a/libavfilter/f_ebur128.c
+++ b/libavfilter/f_ebur128.c
@@ -269,6 +269,7 @@ static int config_video_output(AVFilterLink *outlink)
     }
     outlink->w = ebur128->w;
     outlink->h = ebur128->h;
+    outlink->sample_aspect_ratio = (AVRational){1,1};
 
 #define PAD 8
 
@@ -299,7 +300,7 @@ static int config_video_output(AVFilterLink *outlink)
         ff_get_video_buffer(outlink, outlink->w, outlink->h);
     if (!outpicref)
         return AVERROR(ENOMEM);
-    outlink->sample_aspect_ratio = (AVRational){1,1};
+    outpicref->sample_aspect_ratio = (AVRational){1,1};
 
     /* init y references values (to draw LU lines) */
     ebur128->y_line_ref = av_calloc(ebur128->graph.h + 1, sizeof(*ebur128->y_line_ref));