diff --git a/drivers/usb/gadget/f_audio_source.c b/drivers/usb/gadget/f_audio_source.c
index 56dcf217cfe5..65760c42d422 100644
--- a/drivers/usb/gadget/f_audio_source.c
+++ b/drivers/usb/gadget/f_audio_source.c
@@ -24,7 +24,7 @@
 #define SAMPLE_RATE 44100
 #define FRAMES_PER_MSEC (SAMPLE_RATE / 1000)
 
-#define IN_EP_MAX_PACKET_SIZE 384
+#define IN_EP_MAX_PACKET_SIZE 256
 
 /* Number of requests to allocate */
 #define IN_EP_REQ_COUNT 4