diff --git a/plugins/testng/src/META-INF/plugin.xml b/plugins/testng/src/META-INF/plugin.xml
index fe64bc85e2f9..fff400d9f794 100644
--- a/plugins/testng/src/META-INF/plugin.xml
+++ b/plugins/testng/src/META-INF/plugin.xml
@@ -56,6 +56,10 @@
       <forcedElementWeigher implementation="com.theoryinpractice.testng.TestNGForcedElementWeigher"/>
       <gotoRelatedProvider implementation="com.theoryinpractice.testng.TestNGRelatedFilesProvider"/>
       <methodReferencesSearch implementation="com.theoryinpractice.testng.DataProviderSearcher"/>
+      <stacktrace.fold substring="at org.testng.internal."/>
+      <stacktrace.fold substring="at org.testng.TestRunner."/>
+      <stacktrace.fold substring="at org.testng.SuiteRunner."/>
+      <stacktrace.fold substring="at org.testng.TestNG.run"/>
     </extensions>
     <extensionPoints >
       <extensionPoint qualifiedName="com.theoryinpractice.testng.listener" interface="org.testng.IDEATestNGListener"/>