diff --git a/acctest/testing.go b/acctest/testing.go
index dd18be1a365..f88d2dde3e9 100644
--- a/acctest/testing.go
+++ b/acctest/testing.go
@@ -136,6 +136,9 @@ func Test(t TestT, c TestCase) {
 		Components: packer.ComponentFinder{
 			PluginConfig: &packer.PluginConfig{
 				Builders: TestBuilderSet{
+					BuilderSet: packersdk.MapOfBuilder{
+						"test": func() (packersdk.Builder, error) { return c.Builder, nil },
+					},
 					StartFn: func(n string) (packersdk.Builder, error) {
 						if n == "test" {
 							return c.Builder, nil
diff --git a/packer/core.go b/packer/core.go
index 4803f1de474..7a56dc06cc5 100644
--- a/packer/core.go
+++ b/packer/core.go
@@ -229,7 +229,7 @@ func (c *Core) generateCoreBuildProvisioner(rawP *template.Provisioner, rawName
 			strings.Split(rawP.Type, "-")[0],
 		)
 
-		if sugg := didyoumean.NameSuggestion(rawP.Type, c.components.PluginConfig.Builders.List()); sugg != "" {
+		if sugg := didyoumean.NameSuggestion(rawP.Type, c.components.PluginConfig.Provisioners.List()); sugg != "" {
 			err = fmt.Errorf("Did you mean to use %q?", sugg)
 		}