diff --git a/java/java-impl/src/com/intellij/refactoring/ui/MethodCellRenderer.java b/java/java-impl/src/com/intellij/refactoring/ui/MethodCellRenderer.java
index 38ae239de730..2f54e293872b 100644
--- a/java/java-impl/src/com/intellij/refactoring/ui/MethodCellRenderer.java
+++ b/java/java-impl/src/com/intellij/refactoring/ui/MethodCellRenderer.java
@@ -1,6 +1,7 @@
 // Copyright 2000-2025 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package com.intellij.refactoring.ui;
 
+import com.intellij.openapi.application.ReadAction;
 import com.intellij.openapi.util.Iconable;
 import com.intellij.psi.PsiMethod;
 import com.intellij.psi.PsiSubstitutor;
@@ -22,10 +23,12 @@ public class MethodCellRenderer extends DefaultListCellRenderer {
 
     PsiMethod method = (PsiMethod) value;
 
-    final String text = PsiFormatUtil.formatMethod(method, PsiSubstitutor.EMPTY,
-                                                   PsiFormatUtilBase.SHOW_CONTAINING_CLASS | PsiFormatUtilBase.SHOW_NAME |
-                                                   PsiFormatUtilBase.SHOW_PARAMETERS,
-                                                   PsiFormatUtilBase.SHOW_TYPE);
+    final String text = ReadAction.compute(() ->
+      PsiFormatUtil.formatMethod(method, PsiSubstitutor.EMPTY,
+                                 PsiFormatUtilBase.SHOW_CONTAINING_CLASS | PsiFormatUtilBase.SHOW_NAME |
+                                 PsiFormatUtilBase.SHOW_PARAMETERS,
+                                 PsiFormatUtilBase.SHOW_TYPE));
+
     setText(text);
 
     Icon icon = method.getIcon(Iconable.ICON_FLAG_VISIBILITY);