diff --git a/lib/log.js b/lib/log.js
new file mode 100644
index 0000000..6e8bcde
--- /dev/null
+++ b/lib/log.js
@@ -0,0 +1,5 @@
+const log = (...args) => {
+  process.stdout.write(...args)
+}
+
+export { log }
\ No newline at end of file
diff --git a/reporter/errorreporter.js b/reporter/errorreporter.js
index 58e02fd..415b535 100644
--- a/reporter/errorreporter.js
+++ b/reporter/errorreporter.js
@@ -1,6 +1,5 @@
 import chalk from 'chalk'
-
-const log = (...args) => process.stdout.write(...args)
+import { log } from '../lib/log.js'
 
 const errorreporter = () => {
   const report = {
diff --git a/reporter/linereporter.js b/reporter/linereporter.js
index 13fcdfc..6895635 100644
--- a/reporter/linereporter.js
+++ b/reporter/linereporter.js
@@ -1,7 +1,6 @@
 import chalk from 'chalk'
 import { stackParser } from '../lib/stackparser.js'
-
-const log = (...args) => console.log(...args)
+import { log } from '../lib/log.js'
 
 const linereporter = () => {
   const lines = []
diff --git a/reporter/summaryreporter.js b/reporter/summaryreporter.js
index 36fb160..260b55a 100644
--- a/reporter/summaryreporter.js
+++ b/reporter/summaryreporter.js
@@ -1,6 +1,5 @@
 import chalk from 'chalk'
-
-const log = (...args) => process.stdout.write(...args)
+import { log } from '../lib/log.js'
 
 const summaryreporter = () => {