diff --git a/integration-tests/src/creditcoinForkSetup.ts b/integration-tests/src/creditcoinForkSetup.ts
index 60cd1b62e2..93d93fb316 100644
--- a/integration-tests/src/creditcoinForkSetup.ts
+++ b/integration-tests/src/creditcoinForkSetup.ts
@@ -10,6 +10,8 @@ const setup = async () => {
 
     (global as any).CREDITCOIN_SWITCH_TO_POS_ALREADY_CALLED = process.env.SWITCH_TO_POS_ALREADY_CALLED === '1';
 
+    (global as any).CREDITCOIN_USES_FAST_RUNTIME = false;
+
     await globalSetup();
 };