diff --git a/lib/system.js b/lib/system.js
index daa6b4c..bf33998 100644
--- a/lib/system.js
+++ b/lib/system.js
@@ -122,14 +122,12 @@ function system(callback) {
               util.noop();
             }
           }
-          if (!result.virtual && (util.linuxVersion().toLowerCase().indexOf('microsoft') >= 0 || os.release().toLowerCase().indexOf('microsoft') >= 0 || os.release().toLowerCase().endsWith('wsl2'))) {
-            let versionStr = util.linuxVersion().toLowerCase();
-            versionStr = versionStr.split('-')[0].replace('#', '');
-            const version = os.release().toLowerCase().endsWith('wsl2') ? 'WSL2' : parseInt(versionStr, 10) || null;
+          if (!result.virtual && (os.release().toLowerCase().indexOf('microsoft') >= 0 || os.release().toLowerCase().endsWith('wsl2'))) {
+            const kernelVersion = parseFloat(os.release().toLowerCase());
             result.virtual = true;
             result.manufacturer = 'Microsoft';
             result.model = 'WSL';
-            result.version = version;
+            result.version = kernelVersion < 4.19 ? '1' : '2';
           }
           if ((_freebsd || _openbsd || _netbsd) && !result.virtualHost) {
             try {