diff --git a/c_src/eNifLock/eNifLock.cc b/c_src/eNifLock/eNifLock.cc
index 84527e3..c388775 100644
--- a/c_src/eNifLock/eNifLock.cc
+++ b/c_src/eNifLock/eNifLock.cc
@@ -64,13 +64,11 @@ ERL_NIF_TERM tryLocks(ErlNifEnv *env, int, const ERL_NIF_TERM argv[]){
         if(lockOne(env, &ThePid, KeyIx, Val)){
             cnt++;
         }else{
-            uint64_t RExpected;
             allList = argv[0];
             for(int i = 0; i <= cnt; i++){
                enif_get_list_cell(env, allList, &head, &allList);
                enif_get_int(env, head, &KeyIx);
-               RExpected = Val;
-               LockSlot[KeyIx].compare_exchange_strong(RExpected, 0);
+               LockSlot[KeyIx].store(0);
             }
             return atomFalse;
         }
@@ -114,7 +112,7 @@ ERL_NIF_TERM releaseLocks(ErlNifEnv *env, int, const ERL_NIF_TERM argv[]){
 
 ERL_NIF_TERM getLockPid(ErlNifEnv *env, int, const ERL_NIF_TERM argv[]){
     int KeyIx;
-    KeyIx = enif_hash(ERL_NIF_INTERNAL_HASH, argv[0], HashSalt) % LockSize;
+    enif_get_int(env, argv[0], &KeyIx);
     ErlNifPid ThePid;
 
     uint64_t Var = LockSlot[KeyIx].load();
diff --git a/priv/eNifLock.so b/priv/eNifLock.so
index 4a31770..8bf4399 100644
Binary files a/priv/eNifLock.so and b/priv/eNifLock.so differ