diff --git a/dev/devcam/test.go b/dev/devcam/test.go
index d3b1a20cf..da85cb74c 100644
--- a/dev/devcam/test.go
+++ b/dev/devcam/test.go
@@ -91,6 +91,7 @@ func (c *testCmd) env() *Env {
 	env.NoGo()
 	env.Set("GOPATH", c.buildGoPath)
 	env.Set("CAMLI_MAKE_USEGOPATH", "true")
+	env.Set("GO15VENDOREXPERIMENT", "1")
 	return env
 }