--- a/core/src/droplet/libdroplet/include/droplet/cdmi/crcmodel.h	2020-12-16 08:46:16.000000000 +0100
+++ b/core/src/droplet/libdroplet/include/droplet/cdmi/crcmodel.h	2021-01-09 21:50:10.506666487 +0100
@@ -79,7 +79,6 @@
 #ifndef DONE_STYLE
 
 typedef unsigned long ulong;
-typedef unsigned bool;
 typedef unsigned char* p_ubyte_;
 
 #  ifndef TRUE
@@ -107,8 +107,8 @@
   int cm_width;   /* Parameter: Width in bits [8,32].       */
   ulong cm_poly;  /* Parameter: The algorithm's polynomial. */
   ulong cm_init;  /* Parameter: Initial register value.     */
-  bool cm_refin;  /* Parameter: Reflect input bytes?        */
-  bool cm_refot;  /* Parameter: Reflect output CRC?         */
+  _Bool cm_refin; /* Parameter: Reflect input bytes?        */
+  _Bool cm_refot; /* Parameter: Reflect output CRC?         */
   ulong cm_xorot; /* Parameter: XOR this to output CRC.     */
 
   ulong cm_reg; /* Context: Context during execution.     */