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Diffstat (limited to 'libavformat/metadata.c')
-rw-r--r--libavformat/metadata.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/metadata.c b/libavformat/metadata.c
index 8a25782f29..5c7ef06199 100644
--- a/libavformat/metadata.c
+++ b/libavformat/metadata.c
@@ -84,7 +84,7 @@ int av_metadata_set(AVMetadata **pm, AVMetadataTag elem)
#define FILL_METADATA_INT(s, key) { \
char number[10]; \
snprintf(number, sizeof(number), "%d", s->key); \
- FILL_METADATA(s, key, number) }
+ if(s->key) FILL_METADATA(s, key, number) }
void ff_metadata_sync_compat(AVFormatContext *ctx)
{