diff --git a/extension/Makefile b/extension/Makefile
index 4c6f602..fccba57 100644
--- a/extension/Makefile
+++ b/extension/Makefile
@@ -17,7 +17,18 @@
 
 define COMPILE-NACL-PLUGIN
 	mkdir -p $(dir $2)
-	GOROOT= JIRI_PROFILE=nacl jiri go build -o $2 $1
+	nacl=$(shell jiri xprofile list nacl)
+	if [ ! -z "$(nacl)" ]; then \
+		echo ">>>>>>> new nacl profile installed"; \
+	fi
+	if [ -f "$(JIRI_ROOT)/.jiri_xprofiles" -a ! -z "$(nacl)" ]; then \
+		echo ">>>>>>> using new profiles"; \
+		echo ""; \
+		jiri go --target=nacl build -o $2 $1; \
+	else \
+		echo ">>>>>>> using old profiles"; \
+		GOROOT= JIRI_PROFILE=nacl jiri go build -o $2 $1; \
+	fi
 endef
 
 all: vanadium.zip
diff --git a/go/src/v.io/x/js.core/test_service/test_serviced/cache_impl.go b/go/src/v.io/x/js.core/test_service/test_serviced/cache_impl.go
index a716b3b..7c7c59e 100644
--- a/go/src/v.io/x/js.core/test_service/test_serviced/cache_impl.go
+++ b/go/src/v.io/x/js.core/test_service/test_serviced/cache_impl.go
@@ -5,10 +5,10 @@
 package main
 
 import (
-	"sync"
 	"fmt"
 	"reflect"
 	"sort"
+	"sync"
 	"time"
 
 	"v.io/v23/context"