diff --git a/java/java-analysis-impl/src/com/intellij/find/findUsages/JavaFindUsagesHelper.java b/java/java-analysis-impl/src/com/intellij/find/findUsages/JavaFindUsagesHelper.java
index 75fef6429a53..f67a3bf3df61 100644
--- a/java/java-analysis-impl/src/com/intellij/find/findUsages/JavaFindUsagesHelper.java
+++ b/java/java-analysis-impl/src/com/intellij/find/findUsages/JavaFindUsagesHelper.java
@@ -182,7 +182,7 @@ public class JavaFindUsagesHelper {
         FunctionalExpressionSearch.search(psiMethod, methodOptions.searchScope).forEach(new PsiElementProcessorAdapter<>(
           expression -> addResult(expression, options, processor)));
       }
-      if (ImplicitToStringSearch.isToStringMethod(psiMethod) && methodOptions.isImplicitToString) {
+      if (ReadAction.compute(() -> ImplicitToStringSearch.isToStringMethod(psiMethod)) && methodOptions.isImplicitToString) {
         ImplicitToStringSearch.search(psiMethod, methodOptions.searchScope).forEach(new PsiElementProcessorAdapter<>(ref -> addResult(ref, options, processor)));
       }
     }