diff --git a/i2cbus.c b/i2cbus.c
index fa87d29..389d18e 100644
--- a/i2cbus.c
+++ b/i2cbus.c
@@ -23,7 +23,7 @@ int i2cbus_open(i2cbus *dev, int id, int addr)
     {
         for (int i = 0; i < __I2CBUS_MAX_NUM; i++)
         {
-            int ret = pthread_mutex_init(&(__i2cbus_lock_ctx[i]), NULL);
+            int ret = pthread_mutex_init(&(__i2cbus_locks[i]), NULL);
             if (ret != 0)
             {
                 eprintf("%s: Failed to init mutex %d, ", __func__, i);
@@ -84,7 +84,7 @@ int i2cbus_close(i2cbus *dev)
     {
         for (int i = 0; i < __I2CBUS_MAX_NUM; i++)
         {
-            int ret = pthread_mutex_destroy(&(__i2cbus_lock_ctx[i]));
+            int ret = pthread_mutex_destroy(&(__i2cbus_locks[i]));
             if (ret != 0)
             {
                 eprintf("%s: Failed to destroy mutex %d, ", __func__, i);