diff --git a/Buildings/Resources/C-Sources/cryptographicsHash.c b/Buildings/Resources/C-Sources/cryptographicsHash.c
index 1b2973e88cc..85a139e09eb 100644
--- a/Buildings/Resources/C-Sources/cryptographicsHash.c
+++ b/Buildings/Resources/C-Sources/cryptographicsHash.c
@@ -23,8 +23,8 @@ A million repetitions of "a"
 
 /* for uint32_t */
 #include <stdint.h>
-
 #include "cryptographicsHash.h"
+#include "ModelicaUtilities.h"
 
 
 #define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits))))