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-rw-r--r--Demos/Device/LowLevel/MIDI/Descriptors.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/Demos/Device/LowLevel/MIDI/Descriptors.c b/Demos/Device/LowLevel/MIDI/Descriptors.c
index 220d37dff7..541ee81616 100644
--- a/Demos/Device/LowLevel/MIDI/Descriptors.c
+++ b/Demos/Device/LowLevel/MIDI/Descriptors.c
@@ -111,7 +111,7 @@ const USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
.TotalLength = sizeof(USB_Audio_Descriptor_Interface_AC_t),
.InCollection = 1,
- .InterfaceNumber = 1,
+ .InterfaceNumber = INTERFACE_ID_AudioStream,
},
.Audio_StreamInterface =