diff --git a/src/scenario.c b/src/scenario.c
index 7f22310439..018bbea720 100644
--- a/src/scenario.c
+++ b/src/scenario.c
@@ -66,6 +66,21 @@ char gScenarioSavePath[MAX_PATH];
 int gFirstTimeSave = 1;
 uint32 gLastAutoSaveTick = 0;
 
+#if defined(NO_RCT2)
+uint32 gScenarioTicks;
+#endif
+uint32 gScenarioSrand0;
+uint32 gScenarioSrand1;
+
+uint8 gScenarioObjectiveType;
+uint8 gScenarioObjectiveYear;
+uint16 gScenarioObjectiveNumGuests;
+money32 gScenarioObjectiveCurrency;
+
+uint16 gScenarioParkRatingWarningDays;
+money32 gScenarioCompletedCompanyValue;
+money32 gScenarioCompanyValueRecord;
+
 static int scenario_create_ducks();
 static void scenario_objective_check();
 
diff --git a/src/scenario.h b/src/scenario.h
index b9fa0a576d..dd35641e2a 100644
--- a/src/scenario.h
+++ b/src/scenario.h
@@ -427,18 +427,22 @@ typedef struct source_desc {
 
 extern const rct_string_id ScenarioCategoryStringIds[SCENARIO_CATEGORY_COUNT];
 
+#if defined(NO_RCT2)
+extern uint32 gScenarioTicks;
+#else
 #define gScenarioTicks						RCT2_GLOBAL(RCT2_ADDRESS_SCENARIO_TICKS, uint32)
-#define gScenarioSrand0						RCT2_GLOBAL(RCT2_ADDRESS_SCENARIO_SRAND_0, uint32)
-#define gScenarioSrand1						RCT2_GLOBAL(RCT2_ADDRESS_SCENARIO_SRAND_1, uint32)
+#endif
+extern uint32 gScenarioSrand0;
+extern uint32 gScenarioSrand1;
 
-#define gScenarioObjectiveType				RCT2_GLOBAL(RCT2_ADDRESS_OBJECTIVE_TYPE, uint8)
-#define gScenarioObjectiveYear				RCT2_GLOBAL(RCT2_ADDRESS_OBJECTIVE_YEAR, uint8)
-#define gScenarioObjectiveNumGuests			RCT2_GLOBAL(RCT2_ADDRESS_OBJECTIVE_NUM_GUESTS, uint16)
-#define gScenarioObjectiveCurrency			RCT2_GLOBAL(RCT2_ADDRESS_OBJECTIVE_CURRENCY, money32)
+extern uint8 gScenarioObjectiveType;
+extern uint8 gScenarioObjectiveYear;
+extern uint16 gScenarioObjectiveNumGuests;
+extern money32 gScenarioObjectiveCurrency;
 
-#define gScenarioParkRatingWarningDays		RCT2_GLOBAL(RCT2_ADDRESS_PARK_RATING_WARNING_DAYS, uint16)
-#define gScenarioCompletedCompanyValue		RCT2_GLOBAL(RCT2_ADDRESS_COMPLETED_COMPANY_VALUE, money32)
-#define gScenarioCompanyValueRecord			RCT2_GLOBAL(RCT2_ADDRESS_COMPANY_VALUE_RECORD, money32)
+extern uint16 gScenarioParkRatingWarningDays;
+extern money32 gScenarioCompletedCompanyValue;
+extern money32 gScenarioCompanyValueRecord;
 
 // Scenario list
 extern int gScenarioListCount;