diff --git a/platform/lang-impl/src/com/intellij/usageView/impl/UsageViewContentManagerImpl.java b/platform/lang-impl/src/com/intellij/usageView/impl/UsageViewContentManagerImpl.java
index 783c3d721d0d..7e49d5def962 100644
--- a/platform/lang-impl/src/com/intellij/usageView/impl/UsageViewContentManagerImpl.java
+++ b/platform/lang-impl/src/com/intellij/usageView/impl/UsageViewContentManagerImpl.java
@@ -50,15 +50,7 @@ public final class UsageViewContentManagerImpl extends UsageViewContentManager {
   @NonInjectable
   public UsageViewContentManagerImpl(@NotNull Project project,
                                      @NotNull ToolWindowManager toolWindowManager) {
-    ToolWindow toolWindow = toolWindowManager.registerToolWindow(
-      ToolWindowId.FIND,
-      builder -> {
-        builder.stripeTitle = UIBundle.messagePointer("tool.window.name.find");
-        builder.icon = AllIcons.Toolwindows.ToolWindowFind;
-        builder.shouldBeAvailable = false;
-        return Unit.INSTANCE;
-      }
-    );
+    ToolWindow toolWindow = getOrRegisterFindToolWindow(toolWindowManager);
     toolWindow.setHelpId(UsageViewImpl.HELP_ID);
     toolWindow.setToHideOnEmptyContent(true);
 
@@ -130,6 +122,24 @@ public final class UsageViewContentManagerImpl extends UsageViewContentManager {
     });
   }
 
+  private static @NotNull ToolWindow getOrRegisterFindToolWindow(@NotNull ToolWindowManager toolWindowManager) {
+    if (toolWindowManager.getToolWindowIdSet().contains(ToolWindowId.FIND)) {
+      ToolWindow toolWindow = toolWindowManager.getToolWindow(ToolWindowId.FIND);
+      if (toolWindow != null) return toolWindow;
+      else //noinspection deprecation
+        toolWindowManager.unregisterToolWindow(ToolWindowId.FIND);
+    }
+    return toolWindowManager.registerToolWindow(
+      ToolWindowId.FIND,
+      builder -> {
+        builder.stripeTitle = UIBundle.messagePointer("tool.window.name.find");
+        builder.icon = AllIcons.Toolwindows.ToolWindowFind;
+        builder.shouldBeAvailable = false;
+        return Unit.INSTANCE;
+      }
+    );
+  }
+
   @Override
   public @NotNull Content addContent(@NotNull String contentName,
                                      boolean reusable,