diff --git a/src/pcm/pcm_mmap.c b/src/pcm/pcm_mmap.c
index adea7fb7..876b6494 100644
--- a/src/pcm/pcm_mmap.c
+++ b/src/pcm/pcm_mmap.c
@@ -512,7 +512,6 @@ int snd_pcm_munmap(snd_pcm_t *pcm)
 			break;
 		case SND_PCM_AREA_LOCAL:
 			free(i->addr);
-			i->addr = NULL;
 			break;
 		default:
 			assert(0);