diff --git a/doc/examples/qsv_transcode.c b/doc/examples/qsv_transcode.c
index c3f507e8e6..b4230e7a38 100644
--- a/doc/examples/qsv_transcode.c
+++ b/doc/examples/qsv_transcode.c
@@ -430,7 +430,9 @@ int main(int argc, char **argv)
 
 end:
     avformat_close_input(&ifmt_ctx);
-    avformat_close_input(&ofmt_ctx);
+    if (ofmt_ctx && !(ofmt_ctx->oformat->flags & AVFMT_NOFILE))
+        avio_closep(&ofmt_ctx->pb);
+    avformat_free_context(ofmt_ctx);
     avcodec_free_context(&decoder_ctx);
     avcodec_free_context(&encoder_ctx);
     av_buffer_unref(&hw_device_ctx);
diff --git a/doc/examples/vaapi_transcode.c b/doc/examples/vaapi_transcode.c
index e1b7a43883..dba37d4bcb 100644
--- a/doc/examples/vaapi_transcode.c
+++ b/doc/examples/vaapi_transcode.c
@@ -294,7 +294,9 @@ int main(int argc, char **argv)
 
 end:
     avformat_close_input(&ifmt_ctx);
-    avformat_close_input(&ofmt_ctx);
+    if (ofmt_ctx && !(ofmt_ctx->oformat->flags & AVFMT_NOFILE))
+        avio_closep(&ofmt_ctx->pb);
+    avformat_free_context(ofmt_ctx);
     avcodec_free_context(&decoder_ctx);
     avcodec_free_context(&encoder_ctx);
     av_buffer_unref(&hw_device_ctx);