diff --git a/ffmpeg.c b/ffmpeg.c
index 1b363f797c..ec452d2398 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -2648,7 +2648,7 @@ static int init_output_bsfs(OutputStream *ost)
 
         ret = av_bsf_init(ctx);
         if (ret < 0) {
-            av_log(NULL, AV_LOG_ERROR, "Error initializing bistream filter: %s\n",
+            av_log(NULL, AV_LOG_ERROR, "Error initializing bitstream filter: %s\n",
                    ost->bsf_ctx[i]->filter->name);
             return ret;
         }
diff --git a/ffmpeg_opt.c b/ffmpeg_opt.c
index 0dfdbd6118..38b6b67200 100644
--- a/ffmpeg_opt.c
+++ b/ffmpeg_opt.c
@@ -1345,7 +1345,7 @@ static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, e
 
         ret = av_bsf_alloc(filter, &ost->bsf_ctx[ost->nb_bitstream_filters]);
         if (ret < 0) {
-            av_log(NULL, AV_LOG_ERROR, "Error allocating a bistream filter context\n");
+            av_log(NULL, AV_LOG_ERROR, "Error allocating a bitstream filter context\n");
             exit_program(1);
         }