diff --git a/packages/safe-chain/src/scanning/index.scanCommand.spec.js b/packages/safe-chain/src/scanning/index.scanCommand.spec.js
index 1858d10..abcdc97 100644
--- a/packages/safe-chain/src/scanning/index.scanCommand.spec.js
+++ b/packages/safe-chain/src/scanning/index.scanCommand.spec.js
@@ -46,6 +46,7 @@ describe("scanCommand", async () => {
         writeError: () => {},
         writeInformation: () => {},
         writeWarning: () => {},
+        writeExitWithoutInstallingMaliciousPackages: () => {},
         emptyLine: () => {},
         confirm: mockConfirm,
       },