diff --git a/src/class/vendor/vendor_device.c b/src/class/vendor/vendor_device.c
index df1518111..6f109c321 100644
--- a/src/class/vendor/vendor_device.c
+++ b/src/class/vendor/vendor_device.c
@@ -202,7 +202,7 @@ uint16_t vendord_open(uint8_t rhport, const tusb_desc_interface_t* desc_itf, uin
   // Find available interface
   vendord_interface_t* p_vendor = NULL;
   uint8_t itf;
-  for(itf=0; i<CFG_TUD_VENDOR; itf++) {
+  for(itf=0; itf<CFG_TUD_VENDOR; itf++) {
     if (!tud_vendor_n_mounted(itf)) {
       p_vendor = &_vendord_itf[itf];
       break;