diff --git a/platform/xdebugger-impl/src/com/intellij/xdebugger/impl/ui/XDebuggerEditorBase.java b/platform/xdebugger-impl/src/com/intellij/xdebugger/impl/ui/XDebuggerEditorBase.java
index 7f60fe884156..04a58f6da078 100644
--- a/platform/xdebugger-impl/src/com/intellij/xdebugger/impl/ui/XDebuggerEditorBase.java
+++ b/platform/xdebugger-impl/src/com/intellij/xdebugger/impl/ui/XDebuggerEditorBase.java
@@ -303,7 +303,9 @@ public abstract class XDebuggerEditorBase {
       @Nullable
       @Override
       protected JComponent createCenterPanel() {
-        return inputComponent.getMainComponent();
+        JPanel component = inputComponent.getMainComponent();
+        component.setPreferredSize(JBUI.size(300, 200));
+        return component;
       }
 
       @Override