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-rw-r--r--src/stdio/perror.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/stdio/perror.c b/src/stdio/perror.c
index 4349ac5e..fdcb4d71 100644
--- a/src/stdio/perror.c
+++ b/src/stdio/perror.c
@@ -10,7 +10,7 @@ void perror(const char *msg)
FLOCK(f);
- if (msg) {
+ if (msg && *msg) {
fwrite(msg, strlen(msg), 1, f);
fputc(':', f);
fputc(' ', f);