diff --git a/python/ipnb/src/org/jetbrains/plugins/ipnb/editor/panels/code/IpnbCodePanel.java b/python/ipnb/src/org/jetbrains/plugins/ipnb/editor/panels/code/IpnbCodePanel.java
index d8602b1ba2a3..f6923cd6e389 100644
--- a/python/ipnb/src/org/jetbrains/plugins/ipnb/editor/panels/code/IpnbCodePanel.java
+++ b/python/ipnb/src/org/jetbrains/plugins/ipnb/editor/panels/code/IpnbCodePanel.java
@@ -141,7 +141,7 @@ public class IpnbCodePanel extends IpnbEditablePanel<JComponent, IpnbCodeCell> {
 
   public void updatePanel(@Nullable final String replacementContent, @Nullable final List<IpnbOutputCell> outputContent) {
     final Application application = ApplicationManager.getApplication();
-    application.invokeLater(new Runnable() {
+    UIUtil.invokeAndWaitIfNeeded(new Runnable() {
       @Override
       public void run() {
         if (replacementContent != null) {