diff --git a/sysutils/asmem/Makefile b/sysutils/asmem/Makefile
index af7c5b54b37a..b71b195e3d35 100644
--- a/sysutils/asmem/Makefile
+++ b/sysutils/asmem/Makefile
@@ -16,17 +16,12 @@ COMMENT=	An AfterStep look-n-feel memory utilization monitor
 USE_X_PREFIX=	yes
 USE_XPM=	yes
 GNU_CONFIGURE=	yes
+
 MAN1=		asmem.1
 PLIST_FILES=	bin/asmem
 
-.include <bsd.port.pre.mk>
-
-.if ${OSVERSION} >= 600000
-BROKEN=		"Does not compile on FreeBSD >= 6.x"
-.endif
-
 do-install:
 	${INSTALL_PROGRAM} -g kmem -m 2755 ${WRKSRC}/asmem ${PREFIX}/bin
-	${INSTALL_MAN} ${WRKSRC}/asmem.man ${PREFIX}/man/man1/asmem.1
+	${INSTALL_MAN} ${WRKSRC}/asmem.man ${MANPREFIX}/man/man1/asmem.1
 
-.include <bsd.port.post.mk>
+.include <bsd.port.mk>
diff --git a/sysutils/asmem/files/patch-read_mem.c b/sysutils/asmem/files/patch-read_mem.c
new file mode 100644
index 000000000000..14dac69d7d15
--- /dev/null
+++ b/sysutils/asmem/files/patch-read_mem.c
@@ -0,0 +1,10 @@
+--- read_mem.c.dist	Fri Sep 19 01:06:01 2003
++++ read_mem.c	Tue Nov 30 18:52:06 2004
+@@ -56,6 +56,7 @@
+ // Machine dependent headers
+ // FreeBSD
+ #if defined(__FreeBSD__)
++#include <sys/param.h>
+ #include <sys/conf.h>
+ #include <osreldate.h>
+ #include <kvm.h>