diff --git a/data/language/english_uk.txt b/data/language/english_uk.txt
index b275753414..6471f6ea13 100644
--- a/data/language/english_uk.txt
+++ b/data/language/english_uk.txt
@@ -3331,7 +3331,7 @@ STR_3320    :Unable to save scenario file...
 STR_3321    :New objects installed successfully
 STR_3322    :{WINDOW_COLOUR_2}Objective: {BLACK}{STRINGID}
 STR_3323    :Missing object data, ID: 
-STR_3324    :Requires Add-On Pack: 
+STR_3324    :Requires Add-On Pack: {STRINGID}
 STR_3325    :Requires an Add-On Pack
 STR_3326    :{WINDOW_COLOUR_2}(no image)
 STR_3327    :Starting positions for people not set
diff --git a/src/localisation/string_ids.h b/src/localisation/string_ids.h
index d08d0a9c4a..d5369a1f9e 100644
--- a/src/localisation/string_ids.h
+++ b/src/localisation/string_ids.h
@@ -1835,6 +1835,10 @@ enum {
 
 	STR_OBJECTIVE = 3322,
 
+	STR_MISSING_OBJECT_DATA_ID = 3323,
+	STR_REQUIRES_THE_FOLLOWING_ADDON_PACK = 3324,
+	STR_REQUIRES_AN_ADDON_PACK = 3325,
+
 	STR_PEEP_SPAWNS_NOT_SET = 3327,
 	STR_CANT_ADVANCE_TO_NEXT_EDITOR_STAGE = 3328,
 	STR_NO_PARK_ENTRANCES = 3329,
diff --git a/src/object_list.c b/src/object_list.c
index 5702007235..4a62fe98fc 100644
--- a/src/object_list.c
+++ b/src/object_list.c
@@ -484,16 +484,20 @@ void object_create_identifier_name(char* string_buffer, const rct_object_entry*
  *
  *  rct2: 0x675827
  */
-void set_load_objects_fail_reason(){
+void set_load_objects_fail_reason()
+{
+	rct_string_id expansionNameId;
+
 	rct_object_entry* object = RCT2_ADDRESS(0x13CE952, rct_object_entry);
 	int expansion = (object->flags & 0xFF) >> 4;
+
 	if (expansion == 0
 		|| expansion == 8
 		|| RCT2_GLOBAL(0x9AB4C0, uint16) & (1 << expansion)){
 
 		char* string_buffer = RCT2_ADDRESS(0x9BC677, char);
 
-		format_string(string_buffer, 3323, 0); //Missing object data, ID:
+		format_string(string_buffer, STR_MISSING_OBJECT_DATA_ID, 0);
 
 		object_create_identifier_name(string_buffer, object);
 		RCT2_GLOBAL(RCT2_ADDRESS_ERROR_TYPE, uint8) = 0xFF;
@@ -501,17 +505,23 @@ void set_load_objects_fail_reason(){
 		return;
 	}
 
-	char* exapansion_name = &RCT2_ADDRESS(RCT2_ADDRESS_EXPANSION_NAMES, char)[128 * expansion];
-	if (*exapansion_name == '\0'){
-		RCT2_GLOBAL(RCT2_ADDRESS_ERROR_TYPE, uint8) = 0xFF;
-		RCT2_GLOBAL(RCT2_ADDRESS_ERROR_STRING_ID, uint16) = 3325;
-		return;
+	switch(expansion) {
+		case 1: // Wacky Worlds
+			expansionNameId = STR_OBJECT_FILTER_WW;
+			break;
+		case 2: // Time Twister
+			expansionNameId = STR_OBJECT_FILTER_TT;
+			break;
+		default:
+			RCT2_GLOBAL(RCT2_ADDRESS_ERROR_TYPE, uint8) = 0xFF;
+			RCT2_GLOBAL(RCT2_ADDRESS_ERROR_STRING_ID, uint16) = STR_REQUIRES_AN_ADDON_PACK;
+			return;
 	}
 
 	char* string_buffer = RCT2_ADDRESS(0x9BC677, char);
 
-	format_string(string_buffer, 3324, 0); // Requires expansion pack
-	strcat(string_buffer, exapansion_name);
+	format_string(string_buffer, STR_REQUIRES_THE_FOLLOWING_ADDON_PACK, &expansionNameId);
+
 	RCT2_GLOBAL(RCT2_ADDRESS_ERROR_TYPE, uint8) = 0xFF;
 	RCT2_GLOBAL(RCT2_ADDRESS_ERROR_STRING_ID, uint16) = 3165;
 }