diff --git a/src/btstack_util.c b/src/btstack_util.c
index 0ff1e7327..c93430739 100644
--- a/src/btstack_util.c
+++ b/src/btstack_util.c
@@ -104,6 +104,12 @@ void big_endian_store_16(uint8_t *buffer, uint16_t pos, uint16_t value){
     buffer[pos++] = value;
 }
 
+void big_endian_store_24(uint8_t *buffer, uint16_t pos, uint32_t value){
+    buffer[pos++] = value >> 16;
+    buffer[pos++] = value >> 8;
+    buffer[pos++] = value;
+}
+
 void big_endian_store_32(uint8_t *buffer, uint16_t pos, uint32_t value){
     buffer[pos++] = value >> 24;
     buffer[pos++] = value >> 16;
diff --git a/src/btstack_util.h b/src/btstack_util.h
index 89fd72717..cf1eeb641 100644
--- a/src/btstack_util.h
+++ b/src/btstack_util.h
@@ -126,6 +126,7 @@ uint32_t big_endian_read_32( const uint8_t * buffer, int pos);
  * @param value
  */
 void big_endian_store_16(uint8_t *buffer, uint16_t pos, uint16_t value);
+void big_endian_store_24(uint8_t *buffer, uint16_t pos, uint32_t value);
 void big_endian_store_32(uint8_t *buffer, uint16_t pos, uint32_t value);