diff --git a/go/build b/go/build
index b4c69cbbd..0450a91d7 100755
--- a/go/build
+++ b/go/build
@@ -1,10 +1,16 @@
 #!/bin/bash
 
 verbose=""
+do_wips="false"
 if [ "$1" = "-v" ]; then
+  shift
   set -x
   verbose="-v"
 fi
+if [ "$1" = "-x" ]; then
+  shift
+  do_wips="true"
+fi
 
 set -euo pipefail
 
@@ -28,10 +34,15 @@ echo REGRESSION TESTS v2
 echo
 mlr regtest $verbose reg-test/cases
 mlr regtest $verbose reg-test/cases-pending-windows
+if [ "$do_wips" = "true" ]; then
+  mlr regtest $verbose reg-test/cases-pending-go-port
+fi
 echo
 
 echo ================================================================
 echo REGRESSION TESTS v1
 echo
 ./reg-test/run -n $verbose
-# ./reg-test/run -o $verbose
+if [ "$do_wips" = "true" ]; then
+  ./reg-test/run -o $verbose
+fi