diff --git a/build/jam/BuildSetup b/build/jam/BuildSetup
index a274c48a99..4806ec6a33 100644
--- a/build/jam/BuildSetup
+++ b/build/jam/BuildSetup
@@ -175,7 +175,7 @@ switch $(HOST_GCC_MACHINE) {
 	case armv7l-*	: HAIKU_HOST_IS_BIG_ENDIAN = 0 ;
 	case armv7hl-*	: HAIKU_HOST_IS_BIG_ENDIAN = 0 ;
 	case armv7b-*	: HAIKU_HOST_IS_BIG_ENDIAN = 1 ;
-	case aarch64-*	: HAIKU_HOST_IS_BIG_ENDIAN = 0 ;
+	case arm64-*	: HAIKU_HOST_IS_BIG_ENDIAN = 0 ;
 	case m68k-*		: HAIKU_HOST_IS_BIG_ENDIAN = 1 ;
 	case *			: Exit "Unsupported gcc host machine:" $(HOST_GCC_MACHINE) ;
 }