diff --git a/examples/peripherals/usb/device/tusb_msc/main/tusb_msc_main.c b/examples/peripherals/usb/device/tusb_msc/main/tusb_msc_main.c
index 2ef69c618d..2cd70fb14b 100644
--- a/examples/peripherals/usb/device/tusb_msc/main/tusb_msc_main.c
+++ b/examples/peripherals/usb/device/tusb_msc/main/tusb_msc_main.c
@@ -303,7 +303,7 @@ static void _mount(void)
     struct dirent *d;
     DIR *dh = opendir(BASE_PATH);
     if (!dh) {
-        if (errno = ENOENT) {
+        if (errno == ENOENT) {
             //If the directory is not found
             ESP_LOGE(TAG, "Directory doesn't exist %s", BASE_PATH);
         } else {