diff --git a/source/blender/blenkernel/intern/modifier.c b/source/blender/blenkernel/intern/modifier.c
index 6dc7cb5ca27..d0cfdfb3467 100644
--- a/source/blender/blenkernel/intern/modifier.c
+++ b/source/blender/blenkernel/intern/modifier.c
@@ -1272,7 +1272,7 @@ ModifierTypeInfo *modifierType_getInfo(ModifierType type)
 
 		mti = INIT_TYPE(Armature);
 		mti->type = eModifierTypeType_OnlyDeform;
-		mti->flags = eModifierTypeFlag_AcceptsCVs | eModifierTypeFlag_SupportsEditmode;
+		mti->flags = eModifierTypeFlag_AcceptsCVs | eModifierTypeFlag_SupportsEditmode | eModifierTypeFlag_RequiresOriginalData;
 		mti->copyData = armatureModifier_copyData;
 		mti->isDisabled = armatureModifier_isDisabled;
 		mti->foreachObjectLink = armatureModifier_foreachObjectLink;
diff --git a/source/blender/src/editobject.c b/source/blender/src/editobject.c
index 27a20ce7da4..c16d5d7cdb0 100644
--- a/source/blender/src/editobject.c
+++ b/source/blender/src/editobject.c
@@ -623,8 +623,8 @@ void add_hook(void)
 			/* new hook */
 			if(mode==1 || mode==2) {
 				hmd = (HookModifierData*) modifier_new(eModifierType_Hook);
-				BLI_addtail(&G.obedit->modifiers, &hmd); // XXX, ordering
-				sprintf("Hook-%s", hmd->modifier.name, ob->id.name+2);
+				BLI_addtail(&G.obedit->modifiers, hmd); // XXX, ordering
+				sprintf(hmd->modifier.name, "Hook-%s", ob->id.name+2);
 			}
 			else if (hmd->indexar) MEM_freeN(hmd->indexar); // reassign, hook was set