diff --git a/src/editor.c b/src/editor.c
index 0da0a2209c..bad7ef5825 100644
--- a/src/editor.c
+++ b/src/editor.c
@@ -432,7 +432,7 @@ static void editor_clear_map_for_editing()
 	gNumGuestsInPark = 0;
 	RCT2_GLOBAL(RCT2_ADDRESS_GUESTS_HEADING_FOR_PARK, uint16) = 0;
 	RCT2_GLOBAL(RCT2_ADDRESS_LAST_GUESTS_IN_PARK, uint16) = 0;
-	RCT2_GLOBAL(RCT2_ADDRESS_GUEST_CHANGE_MODIFIER, uint16) = 0;
+	gGuestChangeModifier = 0;
 	if (s6Header->type != S6_TYPE_SCENARIO) {
 		research_populate_list_random();
 		research_remove_non_separate_vehicle_types();
diff --git a/src/peep/peep.h b/src/peep/peep.h
index 4dc7482556..e14d579519 100644
--- a/src/peep/peep.h
+++ b/src/peep/peep.h
@@ -599,6 +599,7 @@ enum {
 	FOR_ALL_PEEPS(sprite_index, peep) \
 		if (peep->type == PEEP_TYPE_STAFF)
 
+#define gGuestChangeModifier		RCT2_GLOBAL(RCT2_ADDRESS_GUEST_CHANGE_MODIFIER, uint8)
 #define gGuestInitialCash			RCT2_GLOBAL(RCT2_ADDRESS_GUEST_INITIAL_CASH, money16)
 #define gGuestInitialHappiness		RCT2_GLOBAL(RCT2_ADDRESS_GUEST_INITIAL_HAPPINESS, uint8)
 #define gGuestInitialHunger			RCT2_GLOBAL(RCT2_ADDRESS_GUEST_INITIAL_HUNGER, uint8)
diff --git a/src/windows/game_bottom_toolbar.c b/src/windows/game_bottom_toolbar.c
index 59918da071..af38fe2a85 100644
--- a/src/windows/game_bottom_toolbar.c
+++ b/src/windows/game_bottom_toolbar.c
@@ -396,7 +396,7 @@ static void window_game_bottom_toolbar_draw_left_panel(rct_drawpixelinfo *dpi, r
 	// Draw guests
 	gfx_draw_string_centred(
 		dpi,
-		STR_NUM_GUESTS + RCT2_GLOBAL(RCT2_ADDRESS_GUEST_CHANGE_MODIFIER, uint8),
+		STR_NUM_GUESTS + gGuestChangeModifier,
 		x, y,
 		(gHoverWidget.window_classification == WC_BOTTOM_TOOLBAR && gHoverWidget.widget_index == WIDX_GUESTS ? COLOUR_WHITE : w->colours[0] & 0x7F),
 		&gNumGuestsInPark
diff --git a/src/world/park.c b/src/world/park.c
index 131925c50a..9212a80311 100644
--- a/src/world/park.c
+++ b/src/world/park.c
@@ -83,7 +83,7 @@ void park_init()
 	gNumGuestsInPark = 0;
 	RCT2_GLOBAL(RCT2_ADDRESS_LAST_GUESTS_IN_PARK, uint16) = 0;
 	RCT2_GLOBAL(RCT2_ADDRESS_GUESTS_HEADING_FOR_PARK, uint16) = 0;
-	RCT2_GLOBAL(RCT2_ADDRESS_GUEST_CHANGE_MODIFIER, uint16) = 0;
+	gGuestChangeModifier = 0;
 	gParkRating = 0;
 	_guestGenerationProbability = 0;
 	RCT2_GLOBAL(RCT2_TOTAL_RIDE_VALUE, uint16) = 0;
@@ -595,7 +595,7 @@ void park_update_histories()
 		if (changeInGuestsInPark < 20)
 			guestChangeModifier = 0;
 	}
-	RCT2_GLOBAL(RCT2_ADDRESS_GUEST_CHANGE_MODIFIER, uint8) = guestChangeModifier;
+	gGuestChangeModifier = guestChangeModifier;
 
 	// Update park rating history
 	for (int i = 31; i > 0; i--)