diff --git a/repos/dde_bsd/patches/audio_bufsz.patch b/repos/dde_bsd/patches/audio_bufsz.patch
new file mode 100644
index 0000000000..7d491ec2e9
--- /dev/null
+++ b/repos/dde_bsd/patches/audio_bufsz.patch
@@ -0,0 +1,13 @@
+Decrease the initial audio buffer size that implicitly limits the number
+of records blocks.
+--- a/dev/audio.c
++++ b/dev/audio.c
+@@ -55,7 +55,7 @@
+ #define AUDIO_DEV(n)		(minor(n) & 0xf0)
+ #define AUDIO_DEV_AUDIO		0	/* minor of /dev/audio0 */
+ #define AUDIO_DEV_AUDIOCTL	0xc0	/* minor of /dev/audioctl */
+-#define AUDIO_BUFSZ		65536	/* buffer size in bytes */
++#define AUDIO_BUFSZ		4096	/* buffer size in bytes */
+ 
+ /*
+  * mixer entries added by the audio(4) layer
diff --git a/repos/dde_bsd/ports/dde_bsd.hash b/repos/dde_bsd/ports/dde_bsd.hash
index 5226149bb2..460d603aaa 100644
--- a/repos/dde_bsd/ports/dde_bsd.hash
+++ b/repos/dde_bsd/ports/dde_bsd.hash
@@ -1 +1 @@
-23a28150a282dd2d9f28e36264f1df5b0699ff6b
+b6086e021be26a2f2a07463c0318b79fd8d0513e