diff --git a/src/openrct2/management/finance.c b/src/openrct2/management/finance.c
index 60555c95ab..a5fcdd1ebf 100644
--- a/src/openrct2/management/finance.c
+++ b/src/openrct2/management/finance.c
@@ -73,9 +73,16 @@ uint8 gCommandExpenditureType;
 void finance_payment(money32 amount, rct_expenditure_type type)
 {
 	money32 cur_money = DECRYPT_MONEY(gCashEncrypted);
-	money32 new_money = cur_money - amount;
+	money32 new_money;
 
 	//overflow check
+	if (amount < 0 && cur_money >= INT_MAX + amount)
+		new_money = INT_MAX;
+	else if (amount >= 0 && cur_money < INT_MIN + amount)
+		new_money = INT_MIN;
+	else
+		new_money = cur_money - amount;
+
 	gCashEncrypted = ENCRYPT_MONEY(new_money);
 	gExpenditureTable[type] -= amount;
 	if (dword_988E60[type] & 1)
diff --git a/src/openrct2/network/network.h b/src/openrct2/network/network.h
index 3cf2da128b..3306bec08b 100644
--- a/src/openrct2/network/network.h
+++ b/src/openrct2/network/network.h
@@ -54,7 +54,7 @@ extern "C" {
 // This define specifies which version of network stream current build uses.
 // It is used for making sure only compatible builds get connected, even within
 // single OpenRCT2 version.
-#define NETWORK_STREAM_VERSION "28"
+#define NETWORK_STREAM_VERSION "29"
 #define NETWORK_STREAM_ID OPENRCT2_VERSION "-" NETWORK_STREAM_VERSION
 
 #ifdef __cplusplus