diff --git a/python/src/com/jetbrains/python/psi/PsiQuery.java b/python/src/com/jetbrains/python/psi/PsiQuery.java
index 88ff82bb351e..6df822170c50 100644
--- a/python/src/com/jetbrains/python/psi/PsiQuery.java
+++ b/python/src/com/jetbrains/python/psi/PsiQuery.java
@@ -133,7 +133,7 @@ public final class PsiQuery<T extends PsiElement> {
 
   @NotNull
   public <R extends PsiElement> PsiQuery<R> siblings(@NotNull final PsiFilter<R> filter) {
-    return getQueryWithProducer(o -> PsiTreeUtil.findChildrenOfType(o.getParent(), filter.myClass), filter);
+    return getQueryWithProducer(o -> PsiTreeUtil.getChildrenOfTypeAsList(o.getParent(), filter.myClass), filter);
   }
 
   @NotNull