diff -rauN a/src/fundamental/sha256.c b/src/fundamental/sha256.c
--- a/src/fundamental/sha256.c	2022-06-03 18:23:03.582446505 +0200
+++ b/src/fundamental/sha256.c	2022-06-03 18:23:13.382479050 +0200
@@ -58,7 +58,7 @@
 #  define UNALIGNED_P(p) (((size_t) p) % sizeof(uint32_t) != 0)
 # endif
 #else
-# define UNALIGNED_P(p) false
+# define UNALIGNED_P(p) sd_false
 #endif
 
 /* This array contains the bytes used to pad the buffer to the next