diff --git a/progmgr/group.c b/progmgr/group.c
index 4717aca..93f91c4 100644
--- a/progmgr/group.c
+++ b/progmgr/group.c
@@ -417,8 +417,8 @@ UINT CalculateGroupMemory(_In_ PGROUP pGroup, _In_ UINT cItems)
 	// have some memory ready
 	cItemBlock = pGroup->cItemArray + cItems;
 
-	// round the amount of items to the nearest but highest 16
-	cItemBlock = ((cItemBlock + 16) / 16) * 16;
+	// round the amount of items to the nearest but highest ITEM_BATCH_COUNT
+	cItemBlock = ((cItemBlock + ITEM_BATCH_COUNT) / ITEM_BATCH_COUNT) * ITEM_BATCH_COUNT;
 
 	// finally calculate the total group size
 	cbGroupSize += cItemBlock * sizeof(ITEM);
diff --git a/progmgr/group.h b/progmgr/group.h
index 1415b85..31c6f73 100644
--- a/progmgr/group.h
+++ b/progmgr/group.h
@@ -17,6 +17,7 @@
 #define MAX_GROUPS 512
 #define MAX_ITEMS 512
 #define MAX_TITLE_LENGTH 255 // Same as the registry key name max length
+#define ITEM_BATCH_COUNT 8
 // Group Format Definitions
 #define GRP_SIGNATURE 0x47324D50L // PM2G
 #define GRP_VERSION 2 // Increment for breaking changes, format version
@@ -28,6 +29,7 @@
 // Item Flag Values (DWORD)
 #define ITM_FLAG_MINIMIZED 0x00000001
 #define ITM_FLAG_MAXIMIZED 0x00000002
+#define ITM_FLAG_PRIVILEGE 0x00000004
 
 /* Structures */
 // Item Structure