diff --git a/plugins/autopair.c b/plugins/autopair.c
index d63da93..43b0e00 100644
--- a/plugins/autopair.c
+++ b/plugins/autopair.c
@@ -172,8 +172,8 @@ static int autopair_init(void)
 	n = read(fd, &seed, sizeof(seed));
 	if (n < (ssize_t) sizeof(seed)) {
 		err = (n == -1) ? -errno : -EIO;
-		error("Failed to read %zu bytes from /dev/urandom",
-								sizeof(seed));
+		error("Failed to read %zu bytes from /dev/urandom: %s (%d)",
+					sizeof(seed), strerror(-err), -err);
 		close(fd);
 		return err;
 	}