diff --git a/tools/build-companion.sh b/tools/build-companion.sh
index 94b375b73..a607c8e7c 100755
--- a/tools/build-companion.sh
+++ b/tools/build-companion.sh
@@ -65,7 +65,7 @@ cd build
 
 declare -a simulator_plugins=(x9lite x9lites
                               x7 x7-access
-                              t8 t12 tx12
+                              t8 t12 tx12 tx12mk2
                               zorro
                               tlite tpro lr3pro
                               x9d x9dp x9dp2019 x9e
@@ -98,6 +98,9 @@ do
         tx12)
             BUILD_OPTIONS+="-DPCB=X7 -DPCBREV=TX12"
             ;;
+        tx12mk2)
+            BUILD_OPTIONS+="-DPCB=X7 -DPCBREV=TX12MK2"
+            ;;
         t8)
             BUILD_OPTIONS+="-DPCB=X7 -DPCBREV=T8"
             ;;