diff --git a/plugins/serial2002/serial2002_lib.c b/plugins/serial2002/serial2002_lib.c
index ea212cceacb5c672729c29a2b6b449f208f6a584..bc2837f6b0d627beddffa7bb94a57349b4535327 100644
--- a/plugins/serial2002/serial2002_lib.c
+++ b/plugins/serial2002/serial2002_lib.c
@@ -174,8 +174,8 @@ struct moberg_status serial2002_read(struct serial2002_io *io,
             value->kind = is_digital;
           } break;
           case 2:{
-            if (data == 0x5f) {
-              /* Ignore FTDI USB/serial event character (get bit 31) */
+            if (data == 0x5e) {
+              /* Ignore FTDI USB/serial event character (get bit 30) */
               value->kind = is_invalid;
               value->index = 0;
               value->value = 0;