diff --git a/libusb/os/darwin_usb.c b/libusb/os/darwin_usb.c
index 5f2fa3c..c64ecd1 100644
--- a/libusb/os/darwin_usb.c
+++ b/libusb/os/darwin_usb.c
@@ -1633,12 +1633,12 @@
     }
     return ret;
   }
-  else
-    usbi_warn (HANDLE_CTX (dev_handle), "SetAlternateInterface: %s", darwin_error_str(kresult));
+
+  usbi_warn (HANDLE_CTX (dev_handle), "SetAlternateInterface: %s", darwin_error_str(kresult));
 
   ret = darwin_to_libusb(kresult);
   if (ret != LIBUSB_ERROR_PIPE) {
-    return darwin_to_libusb (kresult);
+    return ret;
   }
 
   /* If a device only supports a default setting for the specified interface, then a STALL
diff --git a/libusb/version_nano.h b/libusb/version_nano.h
index 09bf359..b129143 100644
--- a/libusb/version_nano.h
+++ b/libusb/version_nano.h
@@ -1 +1 @@
-#define LIBUSB_NANO 11680
+#define LIBUSB_NANO 11681