diff --git a/audio/schism/Makefile b/audio/schism/Makefile
index cda88e196462..3905ab096a9e 100644
--- a/audio/schism/Makefile
+++ b/audio/schism/Makefile
@@ -15,6 +15,8 @@ DISTNAME=	schismtracker-${PORTVERSION}
 MAINTAINER=	ehaupt@FreeBSD.org
 COMMENT=	A module tracker editor/player resembling impulse tracker
 
+LICENSE=	GPLv2
+
 ONLY_FOR_ARCHS=	i386 amd64
 
 USE_SDL=	yes
@@ -22,7 +24,6 @@ USE_BZIP2=	yes
 GNU_CONFIGURE=	yes
 MAKE_JOBS_SAFE=	yes
 
-LICENSE=	GPLv2
 PLIST_FILES=	bin/${PORTNAME}
 
 WRKSRC=		${WRKDIR}/${DISTNAME}
@@ -36,7 +37,7 @@ do-install:
 .include <bsd.port.pre.mk>
 
 .if ${OSVERSION} >= 900027
-BROKEN=		does not build
+EXTRA_PATCHES=	${FILESDIR}/extrapatch-modplug__snd_gm.c
 .endif
 
 .include <bsd.port.post.mk>
diff --git a/audio/schism/files/extrapatch-modplug__snd_gm.c b/audio/schism/files/extrapatch-modplug__snd_gm.c
new file mode 100644
index 000000000000..73b22615aec1
--- /dev/null
+++ b/audio/schism/files/extrapatch-modplug__snd_gm.c
@@ -0,0 +1,17 @@
+--- ./modplug/snd_gm.c.orig	2010-01-01 20:22:26.000000000 +0100
++++ ./modplug/snd_gm.c	2011-12-09 21:50:22.000000000 +0100
+@@ -10,12 +10,14 @@
+ #include "mplink.h" // for 'mp', which we shouldn't need
+ #include "snd_gm.h"
+ 
++/*
+ #if !defined(HAVE_LOG2) && !defined(__USE_ISOC99) && !defined(log2)
+ static double log2(double d)
+ {
+         return log(d) / log(2.0);
+ }
+ #endif
++*/
+ 
+ 
+ #define LinearMidivol 1
diff --git a/audio/schism/pkg-descr b/audio/schism/pkg-descr
index 0ebc6076dc17..a363b0e49858 100644
--- a/audio/schism/pkg-descr
+++ b/audio/schism/pkg-descr
@@ -3,4 +3,3 @@ Impulse Tracker as closely as possible. The player code is based on Modplug,
 so it supports a wide variety of module formats.
 
 WWW: http://rigelseven.com/schism/
-