diff --git a/src/main/java/walkingkooka/spreadsheet/reference/SpreadsheetLabelName.java b/src/main/java/walkingkooka/spreadsheet/reference/SpreadsheetLabelName.java
index d32d948b8..fc4e24a5c 100644
--- a/src/main/java/walkingkooka/spreadsheet/reference/SpreadsheetLabelName.java
+++ b/src/main/java/walkingkooka/spreadsheet/reference/SpreadsheetLabelName.java
@@ -217,7 +217,7 @@ Set<SpreadsheetViewportAnchor> anchors() {
         return ANCHORS;
     }
 
-    private final Set<SpreadsheetViewportAnchor> ANCHORS = EnumSet.of(SpreadsheetViewportAnchor.NONE);
+    private final static Set<SpreadsheetViewportAnchor> ANCHORS = EnumSet.of(SpreadsheetViewportAnchor.NONE);
 
     // SpreadsheetSelectionVisitor......................................................................................