diff --git a/lib/v8-to-istanbul.js b/lib/v8-to-istanbul.js
index f09347c0..335f5c25 100644
--- a/lib/v8-to-istanbul.js
+++ b/lib/v8-to-istanbul.js
@@ -8,7 +8,7 @@ const CovSource = require('./source')
 const { readFileSync } = require('fs')
 const { SourceMapConsumer } = require('source-map')
 
-const isOlderNode10 = /^v10\.[0-5]/u.test(process.version)
+const isOlderNode10 = /^v10\.(([0-9]\.)|(1[0-5]\.))/u.test(process.version)
 
 // Injected when Node.js is loading script into isolate pre Node 10.16.x.
 // see: https://github.com/nodejs/node/pull/21573.