diff --git a/action.go b/action.go
index 961109fc4..323b10016 100644
--- a/action.go
+++ b/action.go
@@ -146,7 +146,7 @@ func (a Action) Prefix(prefix string) Action {
 //	carapace.ActionValues("A", "B", "C").Retain("A", "C") // ["A", "C"]
 func (a Action) Retain(values ...string) Action {
 	return ActionCallback(func(c Context) Action {
-		return a.Invoke(c).Retain(values).ToA()
+		return a.Invoke(c).Retain(values...).ToA()
 	})
 }
 
diff --git a/invokedAction.go b/invokedAction.go
index 8b84d93b4..21fba4603 100644
--- a/invokedAction.go
+++ b/invokedAction.go
@@ -54,7 +54,7 @@ func (a InvokedAction) Prefix(prefix string) InvokedAction {
 //
 //	a := carapace.ActionValues("A", "B", "C").Invoke(c)
 //	b := a.Retain([]string{"A", "C"}) // ["A", "C"]
-func (a InvokedAction) Retain(values []string) InvokedAction {
+func (a InvokedAction) Retain(values ...string) InvokedAction {
 	a.rawValues = a.rawValues.Retain(values...)
 	return a
 }