1 files changed, 2 insertions, 1 deletions
diff --git a/src/Hill.H b/src/Hill.H
index ac4917a..d408dc7 100644
--- a/src/Hill.H
+++ b/src/Hill.H
@@ -45,7 +45,8 @@ class Hills {
 			SORT_ALPHA,
 			SORT_PHI,
 			SORT_NAME,
-			SORT_LABEL_Y
+			SORT_LABEL_Y,
+			SORT_X
 		} SortType;
 	
 		Hills();