diff --git a/src/index.js b/src/index.js
index 3eff001..3ee4777 100644
--- a/src/index.js
+++ b/src/index.js
@@ -94,6 +94,8 @@ export default function consoleLogServer (opts) {
   )
   if (opts.mockDate !== undefined) {
     MockDate.set(opts.mockDate)
+  } else {
+    MockDate.reset()
   }
   const cnsl = opts.console
   opts.responseHeader = opts.responseHeader && _.castArray(opts.responseHeader)