1 files changed, 1 insertions, 0 deletions
diff --git a/src/org/traccar/database/PermissionsManager.java b/src/org/traccar/database/PermissionsManager.java
index 14cc8027a..78589ad88 100644
--- a/src/org/traccar/database/PermissionsManager.java
+++ b/src/org/traccar/database/PermissionsManager.java
@@ -151,6 +151,7 @@ public class PermissionsManager {
             Log.warning(error);
         }
 
+        deviceUsers.clear();
         for (Map.Entry<Long, Set<Long>> entry : devicePermissions.entrySet()) {
             for (long deviceId : entry.getValue()) {
                 getDeviceUsers(deviceId).add(entry.getKey());