diff --git a/src/main/java/org/saturnclient/modules/ModManager.java b/src/main/java/org/saturnclient/modules/ModManager.java
index b8a8f62..c059695 100644
--- a/src/main/java/org/saturnclient/modules/ModManager.java
+++ b/src/main/java/org/saturnclient/modules/ModManager.java
@@ -31,7 +31,7 @@ public class ModManager {
         });
     }
 
-    public static void updateEnabledModules() {
+    public static synchronized void updateEnabledModules() {
         ENABLED_MODS.clear();
         for (Module m : ALL_MODS) {
             if (m.isEnabled()) {