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Diffstat (limited to 'avconv_opt.c')
-rw-r--r--avconv_opt.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/avconv_opt.c b/avconv_opt.c
index 9f30134055..fd3d5735fe 100644
--- a/avconv_opt.c
+++ b/avconv_opt.c
@@ -1792,7 +1792,7 @@ void show_help_default(const char *opt, const char *arg)
const int per_file = OPT_SPEC | OPT_OFFSET | OPT_PERFILE;
int show_advanced = 0, show_avoptions = 0;
- if (opt) {
+ if (opt && *opt) {
if (!strcmp(opt, "long"))
show_advanced = 1;
else if (!strcmp(opt, "full"))