diff --git a/src/iomux_waker.c b/src/iomux_waker.c
index 972b8ab..2ef26d7 100644
--- a/src/iomux_waker.c
+++ b/src/iomux_waker.c
@@ -70,17 +70,14 @@ int uc_iomux_waker_init(struct IOMux *mux, struct IOMuxWaker *wk, uc_waker_cb cb
     rc = uc_set_nonblocking(pfds[1]);
     assert(rc == 0);
 
-    if (uc_install_wake_handler(wk, pfds[0]) == 0) {
-        return 0;
-    } else {
-        int saved_errno;
-
-        saved_errno = errno;
+    rc = uc_install_wake_handler(wk, pfds[0]);
+    if (rc != 0) {
+        rc = errno;
         close(pfds[0]);
         close(pfds[1]);
-
-        return saved_errno;
     }
+
+    return rc;
 }
 
 int uc_iomux_waker_destroy(struct IOMuxWaker *wk)