diff --git a/radio/src/targets/common/arm/stm32/vs1053b.cpp b/radio/src/targets/common/arm/stm32/vs1053b.cpp
index b4784f965..3b2a5b697 100644
--- a/radio/src/targets/common/arm/stm32/vs1053b.cpp
+++ b/radio/src/targets/common/arm/stm32/vs1053b.cpp
@@ -286,10 +286,24 @@ void audioSpiWriteBuffer(const uint8_t * buffer, uint32_t size)
 }
 
 const uint8_t RiffHeader[] = {
-  0x52, 0x49, 0x46, 0x46, 0xff, 0xff, 0xff, 0xff, 0x57, 0x41, 0x56, 0x45, 0x66, 0x6d, 0x74, 0x20,
-  0x10, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x7d, 0x00, 0x00, 0x00, 0xfa, 0x00, 0x00,
-  0x02, 0x00, 0x10, 0x00, 0x64, 0x61, 0x74, 0x61, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00,
-  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  'R', 'I', 'F', 'F',
+  0xff, 0xff, 0xff, 0xff, // infinite size
+  'W', 'A', 'V', 'E',
+  'f', 'm', 't', ' ',     // fmt chunk
+  0x10, 0x00, 0x00, 0x00, // 16 bytes fmt chunk
+  0x01, 0x00,             // PCM
+  0x01, 0x00,             // 1 channel
+  0x00, 0x7d, 0x00, 0x00, // 32 kHz 
+  0x00, 0xfa, 0x00, 0x00, // 64 kB/s
+  0x02, 0x00,             // 2 bytes per block
+  0x10, 0x00,             // 16 bits per sample
+  'd', 'a', 't', 'a',     // data chunk
+  0xff, 0xff, 0xff, 0xff, // infinite size
+  0x00, 0x00, 0x00, 0x00, // data
+  0x00, 0x00, 0x00, 0x00, // data
+  0x00, 0x00, 0x00, 0x00, // data
+  0x00, 0x00, 0x00, 0x00, // data
+  0x00, 0x00, 0x00, 0x00, // data
 };
 
 void audioSendRiffHeader()