diff --git a/library/sha256.c b/library/sha256.c
index 6965820..6e6a58f 100644
--- a/library/sha256.c
+++ b/library/sha256.c
@@ -89,9 +89,11 @@
 #include <signal.h>
 #include <setjmp.h>
 
+/* *INDENT-OFF* */
 #ifndef asm
 #define asm __asm__
 #endif
+/* *INDENT-ON* */
 
 static jmp_buf return_from_sigill;