diff --git a/plugins/properties/src/com/intellij/lang/properties/formatting/PropertiesRootBlock.java b/plugins/properties/src/com/intellij/lang/properties/formatting/PropertiesRootBlock.java
index 371eb06d0df4..ff5ad14e4aef 100644
--- a/plugins/properties/src/com/intellij/lang/properties/formatting/PropertiesRootBlock.java
+++ b/plugins/properties/src/com/intellij/lang/properties/formatting/PropertiesRootBlock.java
@@ -52,7 +52,7 @@ public class PropertiesRootBlock extends AbstractBlock {
 
   @Override
   protected List<Block> buildChildren() {
-    final List<Block> result = new ArrayList<>();
+    final List<Block> result = new ArrayList<Block>();
     ASTNode child = myNode.getFirstChildNode();
     while (child != null) {
       if (!(child instanceof PsiWhiteSpace)) {