diff --git a/java/src/org/openqa/selenium/manager/SeleniumManager.java b/java/src/org/openqa/selenium/manager/SeleniumManager.java
index ee16ec250ae2c..72de889e22bde 100644
--- a/java/src/org/openqa/selenium/manager/SeleniumManager.java
+++ b/java/src/org/openqa/selenium/manager/SeleniumManager.java
@@ -117,7 +117,7 @@ private static String runCommand(String... command) {
    * Determines the correct Selenium Manager binary to use.
    * @return the path to the Selenium Manager binary.
    */
-    private File getBinary() {
+    private synchronized File getBinary() {
         if (binary == null) {
             try {
                 Platform current = Platform.getCurrent();