diff --git a/make/conf/jib-profiles.js b/make/conf/jib-profiles.js
index 117b5aaf157..75a00cc51e0 100644
--- a/make/conf/jib-profiles.js
+++ b/make/conf/jib-profiles.js
@@ -1519,7 +1519,7 @@ var getVersionNumbers = function () {
 var isWsl = function (input) {
     return ( input.build_osenv == "wsl"
              || (input.build_os == "linux"
-                 && java.lang.System.getProperty("os.version").contains("Microsoft")));
+                 && java.lang.System.getProperty("os.version").toLowerCase().contains("microsoft")));
 }
 
 var error = function (s) {