diff --git a/apps/openmw/mwmechanics/security.cpp b/apps/openmw/mwmechanics/security.cpp
index 97878db87..25e032e2e 100644
--- a/apps/openmw/mwmechanics/security.cpp
+++ b/apps/openmw/mwmechanics/security.cpp
@@ -1,5 +1,10 @@
 #include "security.hpp"
 
+#include <components/openmw-mp/Base/WorldEvent.hpp>
+#include "../mwmp/Main.hpp"
+
+#include "../mwworld/cellstore.hpp"
+
 #include <components/misc/rng.hpp>
 
 #include "../mwworld/class.hpp"
@@ -52,6 +57,13 @@ namespace MWMechanics
             MWBase::Environment::get().getMechanicsManager()->objectOpened(mActor, lock);
             if (Misc::Rng::roll0to99() <= x)
             {
+                // Added by tes3mp
+                mwmp::WorldEvent *event = mwmp::Main::get().getNetworking()->createWorldEvent();
+                event->cell = *lock.getCell()->getCell();
+                event->cellRef.mRefID = lock.getCellRef().getRefId();
+                event->cellRef.mRefNum = lock.getCellRef().getRefNum();
+                mwmp::Main::get().getNetworking()->GetWorldPacket(ID_WORLD_OBJECT_UNLOCK)->Send(event);
+
                 lock.getClass().unlock(lock);
                 resultMessage = "#{sLockSuccess}";
                 resultSound = "Open Lock";
diff --git a/apps/openmw/mwscript/miscextensions.cpp b/apps/openmw/mwscript/miscextensions.cpp
index 31a8126b0..209e8397d 100644
--- a/apps/openmw/mwscript/miscextensions.cpp
+++ b/apps/openmw/mwscript/miscextensions.cpp
@@ -212,6 +212,13 @@ namespace MWScript
                 {
                     MWWorld::Ptr ptr = R()(runtime);
 
+                    // Added by tes3mp
+                    mwmp::WorldEvent *event = mwmp::Main::get().getNetworking()->createWorldEvent();
+                    event->cell = *ptr.getCell()->getCell();
+                    event->cellRef.mRefID = ptr.getCellRef().getRefId();
+                    event->cellRef.mRefNum = ptr.getCellRef().getRefNum();
+                    mwmp::Main::get().getNetworking()->GetWorldPacket(ID_WORLD_OBJECT_UNLOCK)->Send(event);
+
                     ptr.getClass().unlock (ptr);
                 }
         };
diff --git a/apps/openmw/mwworld/actiontake.cpp b/apps/openmw/mwworld/actiontake.cpp
index d057ad071..4be82030f 100644
--- a/apps/openmw/mwworld/actiontake.cpp
+++ b/apps/openmw/mwworld/actiontake.cpp
@@ -2,6 +2,7 @@
 
 #include <components/openmw-mp/Base/WorldEvent.hpp>
 #include "../mwmp/Main.hpp"
+
 #include "../mwworld/cellstore.hpp"
 
 #include "../mwbase/environment.hpp"