diff --git a/src/harness/fakesHosts.ts b/src/harness/fakesHosts.ts
index 0f0cfaab994..58e9ec783e5 100644
--- a/src/harness/fakesHosts.ts
+++ b/src/harness/fakesHosts.ts
@@ -534,6 +534,8 @@ ${indentText}${text}`;
             buildInfo.version = ts.version;
             return ts.getBuildInfoText(buildInfo);
         };
+        const originalWrite = sys.write;
+        sys.write = msg => originalWrite.call(sys, msg.replace(ts.version, version));
 
         if (sys.writeFile) {
             const originalWriteFile = sys.writeFile;
diff --git a/tests/baselines/reference/tsc/runWithoutArgs/initial-build/show-help-with-ExitStatus.DiagnosticsPresent_OutputsSkipped.js b/tests/baselines/reference/tsc/runWithoutArgs/initial-build/show-help-with-ExitStatus.DiagnosticsPresent_OutputsSkipped.js
index ce4332cb01a..8243fd3958f 100644
--- a/tests/baselines/reference/tsc/runWithoutArgs/initial-build/show-help-with-ExitStatus.DiagnosticsPresent_OutputsSkipped.js
+++ b/tests/baselines/reference/tsc/runWithoutArgs/initial-build/show-help-with-ExitStatus.DiagnosticsPresent_OutputsSkipped.js
@@ -1,6 +1,6 @@
 //// [/lib/initial-buildOutput.txt]
 /lib/tsc 
-Version 3.8.0-dev
+Version FakeTSVersion
 Syntax:   tsc [options] [file...]
 
 Examples: tsc hello.ts