diff --git a/audio/freebirth/Makefile b/audio/freebirth/Makefile
index 25cceeed088e..119453d6244c 100644
--- a/audio/freebirth/Makefile
+++ b/audio/freebirth/Makefile
@@ -12,17 +12,28 @@ MASTER_SITES=	http://www.bitmechanic.com/projects/freebirth/
 
 MAINTAINER=	dyeske@yahoo.com
 
-USE_GMAKE=	yes
-USE_GTK=	yes
 USE_X_PREFIX=	yes
+USE_GNOMENG=	yes
+USE_GNOME=	gtk12
+USE_GMAKE=	yes
+USE_REINPLACE=	yes
+
+.include <bsd.port.pre.mk>
+
+.if ${OSVERSION} >= 500000
+BROKEN=         "too unstable on FreeBSD 5.x"
+.endif
 
 pre-build:
-	@${PERL} -pi -e 's@-g  -O6@${CFLAGS}@g; s@CC=gcc@CC=${CC}@g; \
-			s@^all: freebirth@all: Makefile.deps freebirth @g; \
-			s@gtk-config@${GTK_CONFIG}@g; \
-			s@^LDFLAGS=@LDFLAGS=\$${LOADLIBES}@g' \
+	@${REINPLACE_CMD} -E -e 's|-g[[:space:]]+-O6|${CFLAGS}|; \
+		s|gtk-config|${GTK_CONFIG}|; \
+		s|^all: freebirth|all: Makefile.deps freebirth|; \
+		s|gcc|${CC}|; \
+		s|^LDFLAGS=|LDFLAGS=\$${LOADLIBES}|' \
 		${WRKSRC}/Makefile
-	@${PERL} -pi -e 's@^#define FB_SAMPLES "."@#define FB_SAMPLES "${PREFIX}/share/freebirth"@g;' \
+	@${REINPLACE_CMD} -e 's|include <machine/soundcard.h>|include <sys/soundcard.h>|' \
+		${WRKSRC}/freebirth.c
+	@${REINPLACE_CMD} -e 's|^#define FB_SAMPLES "."|#define FB_SAMPLES "${PREFIX}/share/freebirth"|' \
 		${WRKSRC}/raw_wave.h
 
 do-install:
@@ -30,7 +41,5 @@ do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/fusebirth ${PREFIX}/bin
 	@${MKDIR} ${PREFIX}/share/freebirth/raw
 	${INSTALL_DATA} ${WRKSRC}/raw/*.raw ${PREFIX}/share/freebirth/raw
-	${STRIP_CMD} ${PREFIX}/bin/freebirth
-	${STRIP_CMD} ${PREFIX}/bin/fusebirth
 
-.include <bsd.port.mk>
+.include <bsd.port.post.mk>