diff --git a/headers/os/interface/InterfaceDefs.h b/headers/os/interface/InterfaceDefs.h
index 23348c5fd5..d692a0127a 100644
--- a/headers/os/interface/InterfaceDefs.h
+++ b/headers/os/interface/InterfaceDefs.h
@@ -232,15 +232,15 @@ enum vertical_alignment {
 enum {
 	B_USE_DEFAULT_SPACING = -1002,
 	B_USE_ITEM_SPACING = -1003,
-	B_USE_ITEM_INSETS = -1003,
+	B_USE_ITEM_INSETS = B_USE_ITEM_SPACING,
 	B_USE_HALF_ITEM_SPACING = -1004,
-	B_USE_HALF_ITEM_INSETS = -1004,
-	B_USE_WINDOW_INSETS = -1005,
+	B_USE_HALF_ITEM_INSETS = B_USE_HALF_ITEM_SPACING,
 	B_USE_WINDOW_SPACING = -1005,
-	B_USE_SMALL_INSETS = -1006,
+	B_USE_WINDOW_INSETS = B_USE_WINDOW_SPACING,
 	B_USE_SMALL_SPACING = -1006,
-	B_USE_BIG_INSETS = -1007,
-	B_USE_BIG_SPACING = -1007
+	B_USE_SMALL_INSETS = B_USE_SMALL_SPACING,
+	B_USE_BIG_SPACING = -1007,
+	B_USE_BIG_INSETS = B_USE_BIG_SPACING,
 };