diff --git a/provider/formtype.go b/provider/formtype.go
index 75d32c4..931179d 100644
--- a/provider/formtype.go
+++ b/provider/formtype.go
@@ -99,7 +99,7 @@ var formTypeTruthTable = map[OptionType]map[bool][]ParameterFormType{
 		false: {ParameterFormTypeInput, ParameterFormTypeSlider},
 	},
 	OptionTypeBoolean: {
-		true:  {ParameterFormTypeRadio},
+		true:  {ParameterFormTypeRadio, ParameterFormTypeDropdown},
 		false: {ParameterFormTypeCheckbox, ParameterFormTypeSwitch},
 	},
 	OptionTypeListString: {
diff --git a/provider/formtype_test.go b/provider/formtype_test.go
index eaf7b58..2f3dff5 100644
--- a/provider/formtype_test.go
+++ b/provider/formtype_test.go
@@ -193,6 +193,11 @@ func TestValidateFormType(t *testing.T) {
 			optionType: provider.OptionTypeBoolean,
 			formType:   provider.ParameterFormTypeRadio,
 		}),
+		expectSameFormType(formTypeCheck{
+			options:    true,
+			optionType: provider.OptionTypeBoolean,
+			formType:   provider.ParameterFormTypeDropdown,
+		}),
 		expectSameFormType(formTypeCheck{
 			options:    false,
 			optionType: provider.OptionTypeBoolean,