diff --git a/hcl2template/addrs/plugin.go b/hcl2template/addrs/plugin.go
index f26ee796e..9b6c451bd 100644
--- a/hcl2template/addrs/plugin.go
+++ b/hcl2template/addrs/plugin.go
@@ -40,7 +40,7 @@ func (p *Plugin) ForDisplay() string {
 	if p.Hostname != DefaultHashicorpPluginHost {
 		parts = append(parts, p.Hostname)
 	}
-	if p.Namespace != DefaultHashicorpPluginNamespace {
+	if p.Namespace != DefaultHashicorpPluginNamespace && len(parts) == 0 {
 		parts = append(parts, p.Namespace)
 	}
 	parts = append(parts, p.Type)
diff --git a/hcl2template/types.packer_config_test.go b/hcl2template/types.packer_config_test.go
index a9a0488e6..e4b526068 100644
--- a/hcl2template/types.packer_config_test.go
+++ b/hcl2template/types.packer_config_test.go
@@ -650,7 +650,7 @@ func TestParser_no_init(t *testing.T) {
 			[]packersdk.Build{},
 			false,
 		},
-		{"invalid_short_source_2.pkr.hcl",
+		{"invalid_inexplicit_source_2.pkr.hcl",
 			defaultParser,
 			parseTestArgs{"testdata/init/invalid_inexplicit_source_2.pkr.hcl", nil, nil},
 			&PackerConfig{