diff --git a/src/openrct2/game.c b/src/openrct2/game.c
index 19e5804d75..f8d31d254a 100644
--- a/src/openrct2/game.c
+++ b/src/openrct2/game.c
@@ -86,6 +86,7 @@ GAME_COMMAND_CALLBACK_POINTER* game_command_callback_table[] = {
 	game_command_callback_hire_new_staff_member,
 	game_command_callback_pickup_guest,
 	game_command_callback_pickup_staff,
+	game_command_callback_marketing_start_campaign,
 };
 sint32 game_command_playerid = -1;
 
diff --git a/src/openrct2/management/marketing.c b/src/openrct2/management/marketing.c
index 01b7efe6a6..343f4872e3 100644
--- a/src/openrct2/management/marketing.c
+++ b/src/openrct2/management/marketing.c
@@ -138,16 +138,19 @@ void marketing_set_guest_campaign(rct_peep *peep, sint32 campaign)
 	}
 }
 
-bool marketing_start_campaign(sint32 type, sint32 rideOrItem, sint32 numWeeks)
+void game_command_callback_marketing_start_campaign(sint32 eax, sint32 ebx, sint32 ecx, sint32 edx, sint32 esi, sint32 edi, sint32 ebp)
+{
+	if (ebx != MONEY32_UNDEFINED)
+	{
+		window_close_by_class(WC_NEW_CAMPAIGN);
+	}
+}
+
+void marketing_start_campaign(sint32 type, sint32 rideOrItem, sint32 numWeeks)
 {
 	gGameCommandErrorTitle = STR_CANT_START_MARKETING_CAMPAIGN;
-	sint32 retVal = game_do_command(0, (numWeeks << 8) | GAME_COMMAND_FLAG_APPLY, 0, (rideOrItem << 8) | type, GAME_COMMAND_START_MARKETING_CAMPAIGN, 0, 0);
-	if (retVal == MONEY32_UNDEFINED) {
-		return false;
-	}
-	else {
-		return true;
-	}
+	game_command_callback = game_command_callback_marketing_start_campaign;
+	game_do_command(0, (numWeeks << 8) | GAME_COMMAND_FLAG_APPLY, 0, (rideOrItem << 8) | type, GAME_COMMAND_START_MARKETING_CAMPAIGN, 0, 0);
 }
 
 /**
diff --git a/src/openrct2/management/marketing.h b/src/openrct2/management/marketing.h
index 79f21068f3..5ecd403837 100644
--- a/src/openrct2/management/marketing.h
+++ b/src/openrct2/management/marketing.h
@@ -47,7 +47,8 @@ extern uint8 gMarketingCampaignRideIndex[22];
 sint32 marketing_get_campaign_guest_generation_probability(sint32 campaign);
 void marketing_update();
 void marketing_set_guest_campaign(rct_peep *peep, sint32 campaign);
-bool marketing_start_campaign(sint32 type, sint32 rideOrItem, sint32 numWeeks);
+void game_command_callback_marketing_start_campaign(sint32 eax, sint32 ebx, sint32 ecx, sint32 edx, sint32 esi, sint32 edi, sint32 ebp);
+void marketing_start_campaign(sint32 type, sint32 rideOrItem, sint32 numWeeks);
 void game_command_start_campaign(sint32* eax, sint32* ebx, sint32* ecx, sint32* edx, sint32* esi, sint32* edi, sint32* ebp);
 bool marketing_is_campaign_type_applicable(sint32 campaignType);
 
diff --git a/src/openrct2/windows/new_campaign.c b/src/openrct2/windows/new_campaign.c
index aa8483438a..45333fbbf4 100644
--- a/src/openrct2/windows/new_campaign.c
+++ b/src/openrct2/windows/new_campaign.c
@@ -225,10 +225,7 @@ static void window_new_campaign_mouseup(rct_window *w, rct_widgetindex widgetInd
 		window_close(w);
 		break;
 	case WIDX_START_BUTTON:
-		if (marketing_start_campaign(w->campaign.campaign_type, w->campaign.ride_id, w->campaign.no_weeks))
-		{
-			window_close(w);
-		}
+		marketing_start_campaign(w->campaign.campaign_type, w->campaign.ride_id, w->campaign.no_weeks);
 		break;
 	}
 }