diff --git a/platform/lang-impl/src/com/intellij/codeInspection/ex/GlobalInspectionContextImpl.java b/platform/lang-impl/src/com/intellij/codeInspection/ex/GlobalInspectionContextImpl.java
index eb97a4de5ecf..57d265a01eef 100644
--- a/platform/lang-impl/src/com/intellij/codeInspection/ex/GlobalInspectionContextImpl.java
+++ b/platform/lang-impl/src/com/intellij/codeInspection/ex/GlobalInspectionContextImpl.java
@@ -637,17 +637,20 @@ public class GlobalInspectionContextImpl extends GlobalInspectionContextBase imp
         }
       }
     }
-    for (GlobalInspectionContextExtension extension : myExtensions.values()) {
-      try {
-        extension.performPostRunActivities(needRepeatSearchRequest, this);
+
+    ReadAction.run(() -> {
+      for (GlobalInspectionContextExtension extension : myExtensions.values()) {
+        try {
+          extension.performPostRunActivities(needRepeatSearchRequest, this);
+        }
+        catch (ProcessCanceledException | IndexNotReadyException e) {
+          throw e;
+        }
+        catch (Throwable e) {
+          LOG.error(e);
+        }
       }
-      catch (ProcessCanceledException | IndexNotReadyException e) {
-        throw e;
-      }
-      catch (Throwable e) {
-        LOG.error(e);
-      }
-    }
+    });
     if (!ApplicationManager.getApplication().isUnitTestMode()) {
       if (myView == null && !ReadAction.compute(() -> InspectionResultsView.hasProblems(globalTools, this, createContentProvider())).booleanValue()) {
         return;