diff --git a/audio/mac/Makefile b/audio/mac/Makefile
index 8a95ba69933f..624956e1d168 100644
--- a/audio/mac/Makefile
+++ b/audio/mac/Makefile
@@ -1,23 +1,24 @@
 PORTNAME=	mac
 PORTVERSION=	11.91
 CATEGORIES=	audio
 MASTER_SITES=	https://www.monkeysaudio.com/files/
 DISTNAME=	${PORTNAME:tu}_${PORTVERSION:S|.||}_SDK
 
 MAINTAINER=	multimedia@FreeBSD.org
 COMMENT=	Monkey's Audio lossless codec
 WWW=		https://www.monkeysaudio.com/
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/License.txt
 
 USES=		cmake dos2unix zip
 
 DOS2UNIX_FILES=	Shared/*.h \
 		Source/Console/*.cpp \
+		Source/MACLib/Prepare.cpp \
 		Source/Shared/*.cpp \
 		Source/Shared/*.h
 
 NO_WRKSUBDIR=	yes
 
 .include <bsd.port.mk>
diff --git a/audio/mac/files/patch-Source_MACLib_Prepare.cpp b/audio/mac/files/patch-Source_MACLib_Prepare.cpp
new file mode 100644
index 000000000000..0a535df31f0b
--- /dev/null
+++ b/audio/mac/files/patch-Source_MACLib_Prepare.cpp
@@ -0,0 +1,12 @@
+--- Source/MACLib/Prepare.cpp.orig	2026-01-12 09:35:06 UTC
++++ Source/MACLib/Prepare.cpp
+@@ -1,6 +1,9 @@
+ #include "All.h"
+ #include "Prepare.h"
+ #include "CRC.h"
++#if APE_BYTE_ORDER == APE_BIG_ENDIAN
++#include "GlobalFunctions.h"
++#endif
+ 
+ #if APE_BYTE_ORDER == APE_LITTLE_ENDIAN
+     #define APE_24_SHIFT_1ST 0