diff --git a/hal/audio_hw.c b/hal/audio_hw.c
index b255d3e..30a7748 100644
--- a/hal/audio_hw.c
+++ b/hal/audio_hw.c
@@ -7722,9 +7722,9 @@
 
 static int adev_close(hw_device_t *device)
 {
-    struct audio_device *adev = (struct audio_device *)device;
+    struct audio_device *adev_temp = (struct audio_device *)device;
 
-    if (!adev)
+    if (!adev_temp)
         return 0;
 
     pthread_mutex_lock(&adev_init_lock);