diff --git a/epicardium/modules/usb.c b/epicardium/modules/usb.c
index e14032e4e3dccb91342630317786d8c35d363b3a..572b2b5fcffa8fd2684c28b60c4d9f2937fdd3f9 100644
--- a/epicardium/modules/usb.c
+++ b/epicardium/modules/usb.c
@@ -196,7 +196,7 @@ static struct config_descriptor_cdcacm config_descriptor_cdcacm = {
         .bNumEndpoints      = 0x01,
         .bInterfaceClass    = CLS_COMM,
         .bInterfaceSubClass = SCLS_ACM,
-        .bInterfaceProtocol = PROT_AT_CMDS,
+        .bInterfaceProtocol = 0x00,
         .iInterface         = 0x00,
     },
     .header_functional = {
@@ -319,4 +319,4 @@ static struct config_descriptor_msc config_descriptor_msc =
         .bInterval          = 0x00
     }
 };
-/* clang-format on */
\ No newline at end of file
+/* clang-format on */