diff --git a/libraries/kotlin-swing/src/main/kotlin/kotlin/swing/ActionListeners.kt b/libraries/kotlin-swing/src/main/kotlin/kotlin/swing/ActionListeners.kt
index de8dbd13dd5..580bc5b765b 100644
--- a/libraries/kotlin-swing/src/main/kotlin/kotlin/swing/ActionListeners.kt
+++ b/libraries/kotlin-swing/src/main/kotlin/kotlin/swing/ActionListeners.kt
@@ -56,7 +56,7 @@ inline fun DefaultButtonModel.addActionListener(fn: (ActionEvent) -> Unit): Unit
     addActionListener(actionListener(fn))
 }
 
-inline fun JComboBox.addActionListener(fn: (ActionEvent) -> Unit): Unit {
+inline fun JComboBox<*>.addActionListener(fn: (ActionEvent) -> Unit): Unit {
     addActionListener(actionListener(fn))
 }