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-rw-r--r--src/shared/util.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/shared/util.c b/src/shared/util.c
index 38134ae521..206fc803d0 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -2501,7 +2501,7 @@ int getttyname_malloc(int fd, char **r) {
assert(r);
k = ttyname_r(fd, path, sizeof(path));
- if (k != 0)
+ if (k > 0)
return -k;
char_array_0(path);