diff --git a/src/windows/editor_inventions_list.c b/src/windows/editor_inventions_list.c
index 66119e0de9..e8e7ce013f 100644
--- a/src/windows/editor_inventions_list.c
+++ b/src/windows/editor_inventions_list.c
@@ -249,6 +249,8 @@ static void research_rides_setup(){
 	}
 }
 
+extern rct_object_entry RequiredSelectedObjects[7];
+
 /**
  *
  *  rct2: 0x0068590C
@@ -256,9 +258,8 @@ static void research_rides_setup(){
  */
 static void research_scenery_sets_setup(){
 
-	for (rct_object_entry* object = RCT2_ADDRESS(0x0098DA74, rct_object_entry);
-		(object->flags & 0xFF) != 0xFF;
-		object++){
+	for (int i = 0; i < countof(RequiredSelectedObjects); i++) {
+		rct_object_entry * object = &RequiredSelectedObjects[i];
 
 		uint8 entry_type, entry_index;
 		if (!find_object_in_entry_group(object, &entry_type, &entry_index))
diff --git a/src/windows/editor_object_selection.c b/src/windows/editor_object_selection.c
index 4e42e41c5e..40f601cbd6 100644
--- a/src/windows/editor_object_selection.c
+++ b/src/windows/editor_object_selection.c
@@ -249,7 +249,8 @@ static void filter_update_counts();
 void reset_selected_object_count_and_size();
 static int sub_6AB211();
 
-static rct_object_entry RequiredSelectedObjects[] = {
+/** rct2: 0x0098DA74 */
+rct_object_entry RequiredSelectedObjects[] = {
 	// Objects that are always required
 	{ 0x00000087, { "SCGTREES" }, 0 },		// Scenery: Trees
 	{ 0x00000087, { "SCGSHRUB" }, 0 },		// Scenery: Shrubs and Ornaments