diff --git a/commons/src/main/kotlin/org/fossify/commons/helpers/Constants.kt b/commons/src/main/kotlin/org/fossify/commons/helpers/Constants.kt
index 2ceaed159..44f890f10 100644
--- a/commons/src/main/kotlin/org/fossify/commons/helpers/Constants.kt
+++ b/commons/src/main/kotlin/org/fossify/commons/helpers/Constants.kt
@@ -296,6 +296,7 @@ const val SORT_USE_NUMERIC_VALUE = 32768
 const val SORT_BY_FULL_NAME = 65536
 const val SORT_BY_CUSTOM = 131072
 const val SORT_BY_DATE_CREATED = 262144
+const val SORT_BY_QUANTITY = 524288
 
 // security
 const val PROTECTION_NONE = -1