diff --git a/src/lua/NPCWrapper.cpp b/src/lua/NPCWrapper.cpp
index 0208597..8110119 100644
--- a/src/lua/NPCWrapper.cpp
+++ b/src/lua/NPCWrapper.cpp
@@ -62,11 +62,11 @@ static int npc_getSpeed(lua_State *state) {
     CombatNPC *npc = grabNPC(state, 1);
 
     // sanity check
-    if (npc != NULL)
+    if (npc == NULL)
         return 0;
 
     lua_pushinteger(state, npc->speed);
-    return 0;
+    return 1;
 }
 
 static const luaL_Reg npc_getters[] = {
@@ -263,4 +263,4 @@ void LuaManager::NPC::init(lua_State *state) {
 
 void LuaManager::NPC::push(lua_State *state, CombatNPC *npc) {
     Entity::push(state, EntityRef(npc->appearanceData.iNPC_ID), LIBNAME);
-}
\ No newline at end of file
+}