---
 avconv.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/avconv.c b/avconv.c
index e9dc790..bbefa5f 100644
--- a/avconv.c
+++ b/avconv.c
@@ -3781,7 +3781,7 @@ static void opt_output_file(const char *filename)
     }
 
     /* copy global metadata by default */
-    if (metadata_global_autocopy)
+    if (metadata_global_autocopy && nb_input_files)
         av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
                      AV_DICT_DONT_OVERWRITE);
     if (metadata_streams_autocopy)
-- 
1.7.5.4

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