diff --git a/examples/intelliJPlugin/src/main/kotlin/com/jetbrains/compose/ComposeDemoAction.kt b/examples/intelliJPlugin/src/main/kotlin/com/jetbrains/compose/ComposeDemoAction.kt
index 540b3ce8ad..8b32298ff9 100755
--- a/examples/intelliJPlugin/src/main/kotlin/com/jetbrains/compose/ComposeDemoAction.kt
+++ b/examples/intelliJPlugin/src/main/kotlin/com/jetbrains/compose/ComposeDemoAction.kt
@@ -40,8 +40,8 @@ class ComposeDemoAction : DumbAwareAction() {
 
         override fun createCenterPanel(): JComponent {
             val dialog = this
-            var packed = false
             return ComposePanel().apply {
+                preferredSize = Dimension(800, 600)
                 setContent {
                     ComposeSizeAdjustmentWrapper(
                         window = dialog,