diff --git a/c_src/eNifLock/eNifLock.cc b/c_src/eNifLock/eNifLock.cc
index 090b80f..2839a41 100644
--- a/c_src/eNifLock/eNifLock.cc
+++ b/c_src/eNifLock/eNifLock.cc
@@ -18,8 +18,7 @@ typedef struct KeyNode_r{
 bool isNotCurLocked(KeyNode *LockedHead, int KeyIx){
     KeyNode *temp = LockedHead;
     while (temp != NULL){
-        if (temp->KeyIx == KeyIx)
-            return false;
+        if (temp->KeyIx == KeyIx) return false;
         temp = temp->next;
     }
     return true;
@@ -73,6 +72,7 @@ ERL_NIF_TERM tryLock(ErlNifEnv *env, int, const ERL_NIF_TERM argv[]){
                         LockSlot[temp->KeyIx].compare_exchange_strong(RExpected, 0);
                         temp = temp->next;
                     }
+                    return atomFalse;
                 }
             }
         }
diff --git a/priv/eNifLock.dll b/priv/eNifLock.dll
index 62eb746..e4d2f47 100644
Binary files a/priv/eNifLock.dll and b/priv/eNifLock.dll differ
diff --git a/priv/eNifLock.exp b/priv/eNifLock.exp
deleted file mode 100644
index 84ad9a8..0000000
Binary files a/priv/eNifLock.exp and /dev/null differ
diff --git a/priv/eNifLock.lib b/priv/eNifLock.lib
deleted file mode 100644
index fbc1cd2..0000000
Binary files a/priv/eNifLock.lib and /dev/null differ