diff --git a/dix/devices.c b/dix/devices.c
index 1c86d5242..ab923d574 100644
--- a/dix/devices.c
+++ b/dix/devices.c
@@ -416,6 +416,8 @@ EnableDevice(DeviceIntPtr dev, BOOL sendevent)
         XISendDeviceHierarchyEvent(flags);
     }
 
+    if (!IsMaster(dev))
+        XkbPushLockedStateToSlaves(GetMaster(dev, MASTER_KEYBOARD), 0, 0);
     RecalculateMasterButtons(dev);
 
     /* initialise an idle timer for this device*/
@@ -2649,6 +2651,7 @@ AttachDevice(ClientPtr client, DeviceIntPtr dev, DeviceIntPtr master)
         dev->spriteInfo->paired = master;
         dev->spriteInfo->spriteOwner = FALSE;
 
+        XkbPushLockedStateToSlaves(GetMaster(dev, MASTER_KEYBOARD), 0, 0);
         RecalculateMasterButtons(master);
     }
 
diff --git a/include/xkbsrv.h b/include/xkbsrv.h
index e79979927..f857b2280 100644
--- a/include/xkbsrv.h
+++ b/include/xkbsrv.h
@@ -638,6 +638,10 @@ extern _X_EXPORT void XkbHandleActions(DeviceIntPtr /* dev */ ,
                                        DeviceEvent *    /* event */
     );
 
+extern void XkbPushLockedStateToSlaves(DeviceIntPtr /* master */,
+                                       int /* evtype */,
+                                       int /* key */);
+
 extern _X_EXPORT Bool XkbEnableDisableControls(XkbSrvInfoPtr /* xkbi */ ,
                                                unsigned long /* change */ ,
                                                unsigned long /* newValues */ ,
diff --git a/xkb/xkbActions.c b/xkb/xkbActions.c
index 7e5512c1e..c44f44bc1 100644
--- a/xkb/xkbActions.c
+++ b/xkb/xkbActions.c
@@ -1173,6 +1173,25 @@ _XkbApplyState(DeviceIntPtr dev, Bool genStateNotify, int evtype, int key)
     }
 }
 
+void
+XkbPushLockedStateToSlaves(DeviceIntPtr master, int evtype, int key)
+{
+    DeviceIntPtr dev;
+    Bool genStateNotify;
+
+    nt_list_for_each_entry(dev, inputInfo.devices, next) {
+        if (!dev->key || GetMaster(dev, MASTER_KEYBOARD) != master)
+            continue;
+
+        genStateNotify = _XkbEnsureStateChange(dev->key->xkbInfo);
+
+        dev->key->xkbInfo->state.locked_mods =
+            master->key->xkbInfo->state.locked_mods;
+
+        _XkbApplyState(dev, genStateNotify, evtype, key);
+    }
+}
+
 void
 XkbHandleActions(DeviceIntPtr dev, DeviceIntPtr kbd, DeviceEvent *event)
 {
@@ -1327,6 +1346,7 @@ XkbHandleActions(DeviceIntPtr dev, DeviceIntPtr kbd, DeviceEvent *event)
     }
 
     _XkbApplyState(dev, genStateNotify, event->type, key);
+    XkbPushLockedStateToSlaves(dev, event->type, key);
 }
 
 int