diff --git a/audio/wavpack/Makefile b/audio/wavpack/Makefile
index 49f6e0f68c1..5f1cf1020e8 100644
--- a/audio/wavpack/Makefile
+++ b/audio/wavpack/Makefile
@@ -3,6 +3,7 @@ COMMENT =		audio codec for lossless, lossy and hybrid compression
 VERSION =		5.6.0
 DISTNAME =		wavpack-${VERSION}
 CATEGORIES =		audio
+REVISION =		0
 
 HOMEPAGE =		http://www.wavpack.com/
 
diff --git a/audio/wavpack/patches/patch-src_pack_x64_S b/audio/wavpack/patches/patch-src_pack_x64_S
new file mode 100644
index 00000000000..e73427284a7
--- /dev/null
+++ b/audio/wavpack/patches/patch-src_pack_x64_S
@@ -0,0 +1,20 @@
+Index: src/pack_x64.S
+--- src/pack_x64.S.orig
++++ src/pack_x64.S
+@@ -1821,7 +1821,7 @@ noleft: mov     eax, ebx                    # move mag
+ #   ebp             limit (if specified non-zero)
+ #   eax,ecx,edx     scratch
+ #
+-
++        .rodata
+         .balign  256
+ 
+ log2_table:
+@@ -1841,6 +1841,7 @@ log2_table:
+         .byte   0xdc, 0xdc, 0xdd, 0xde, 0xdf, 0xe0, 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe4, 0xe5, 0xe6, 0xe7, 0xe7
+         .byte   0xe8, 0xe9, 0xea, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xee, 0xef, 0xf0, 0xf1, 0xf1, 0xf2, 0xf3, 0xf4
+         .byte   0xf4, 0xf5, 0xf6, 0xf7, 0xf7, 0xf8, 0xf9, 0xf9, 0xfa, 0xfb, 0xfc, 0xfc, 0xfd, 0xfe, 0xff, 0xff
++        .previous
+ 
+ _log2buffer_x64win:
+ log2buffer_x64win: