diff --git a/src/app-layer-protos.h b/src/app-layer-protos.h
index f538264db901..88b92f8c09b1 100644
--- a/src/app-layer-protos.h
+++ b/src/app-layer-protos.h
@@ -64,6 +64,7 @@ enum AppProtoEnum {
     ALPROTO_HTTP2,
     ALPROTO_BITTORRENT_DHT,
     ALPROTO_POP3,
+    ALPROTO_MYSQL,
 
     // signature-only (ie not seen in flow)
     // HTTP for any version (ALPROTO_HTTP1 (version 1) or ALPROTO_HTTP2)