diff --git a/main.c b/main.c
index c5c11080..0ba574c9 100644
--- a/main.c
+++ b/main.c
@@ -552,10 +552,10 @@ main(int argc, char *const *argv)
     char *_cwd = NULL;
 
     if (cwd == NULL) {
-        errno = 0;
         size_t buf_len = 1024;
         do {
             _cwd = xrealloc(_cwd, buf_len);
+            errno = 0;
             if (getcwd(_cwd, buf_len) == NULL && errno != ERANGE) {
                 LOG_ERRNO("failed to get current working directory");
                 goto out;