diff --git a/c_src/eNifLock/eNifLock.cc b/c_src/eNifLock/eNifLock.cc
index d26109a..090b80f 100644
--- a/c_src/eNifLock/eNifLock.cc
+++ b/c_src/eNifLock/eNifLock.cc
@@ -15,7 +15,7 @@ typedef struct KeyNode_r{
     struct KeyNode_r *next;
 } KeyNode;
 
-bool isNotLocked(KeyNode *LockedHead, int KeyIx){
+bool isNotCurLocked(KeyNode *LockedHead, int KeyIx){
     KeyNode *temp = LockedHead;
     while (temp != NULL){
         if (temp->KeyIx == KeyIx)
@@ -62,7 +62,7 @@ ERL_NIF_TERM tryLock(ErlNifEnv *env, int, const ERL_NIF_TERM argv[]){
         while (enif_get_list_cell(env, allList, &head, &allList)){
             KeyIx = enif_hash(ERL_NIF_INTERNAL_HASH, head, HashSalt) % LockSize;
             KeyNode OneKeyNode = {KeyIx, LockedHead};
-            if (isNotLocked(LockedHead, KeyIx)){
+            if (isNotCurLocked(LockedHead, KeyIx)){
                 if (lockOne(env, &ThePid, KeyIx, Val)){
                     LockedHead = &OneKeyNode;
                 }else{