diff --git a/astro/openmap/Makefile b/astro/openmap/Makefile
index 45586719c077..2f7e63334d3b 100644
--- a/astro/openmap/Makefile
+++ b/astro/openmap/Makefile
@@ -7,35 +7,30 @@
 
 PORTNAME=	openmap
 PORTVERSION=	4.6.2
+PORTREVISION=	1
 CATEGORIES=	astro java devel graphics
 MASTER_SITES=	http://openmap.bbn.com/src/
 
 MAINTAINER=	des@FreeBSD.org
 COMMENT=	Java toolkit for manipulating and displaying geographic data
 
-BUILD_DEPENDS=	ant:${PORTSDIR}/devel/apache-ant
 RUN_DEPENDS=	classpath:${PORTSDIR}/java/javavmwrapper
 
-USE_JAVA=	1.4+
+USE_JAVA=	yes
+JAVA_VERSION=	1.4+
 
 PKGMESSAGE=	${WRKSRC}/LICENSE
 
-ANT_PROPERTIES=	openmap.home=${WRKSRC} \
-		idl2java.compiler=${JAVA_HOME}/bin/idlj
-ANT_CMD=	${LOCALBASE}/bin/ant ${ANT_PROPERTIES:C/^/-D/}
+USE_ANT=	yes
+MAKE_ARGS+=	-Dopenmap.home=${WRKSRC} \
+		-Didl2java.compiler=${JAVA_HOME}/bin/idlj
+
+SUB_FILES=	openmap.sh
 
 do-configure:
 	(cd ${WRKSRC} && ${FIND} . -type f -print0 | ${XARGS} -0 \
 	    ${REINPLACE_CMD} -e 's,/usr/local/openmap,${DATADIR},g')
 	(cd ${WRKSRC} && ${FIND} . -type f -name \*.bak -delete)
-	${SED} \
-	    -e 's,%%CLASSPATH%%,${LOCALBASE}/bin/classpath,' \
-	    -e 's,%%JAVAVM%%,${LOCALBASE}/bin/java,' \
-	    -e 's,%%DATADIR%%,${DATADIR},' \
-	    <${FILESDIR}/openmap.sh >${WRKDIR}/openmap.sh
-
-do-build:
-	(cd ${WRKSRC} && ${ANT_CMD})
 
 do-install:
 	(cd ${WRKSRC}/lib && \
diff --git a/astro/openmap/files/openmap.sh b/astro/openmap/files/openmap.sh
deleted file mode 100644
index 7974ab6bbbba..000000000000
--- a/astro/openmap/files/openmap.sh
+++ /dev/null
@@ -1,9 +0,0 @@
-#!/bin/sh
-#
-# $FreeBSD$
-#
-
-cd %%DATADIR%%
-exec %%JAVAVM%% \
-    -classpath $(%%CLASSPATH%%) \
-    com.bbn.openmap.app.OpenMap "%@"
diff --git a/astro/openmap/files/openmap.sh.in b/astro/openmap/files/openmap.sh.in
new file mode 100644
index 000000000000..d1a769c254e4
--- /dev/null
+++ b/astro/openmap/files/openmap.sh.in
@@ -0,0 +1,10 @@
+#!/bin/sh
+#
+# $FreeBSD$
+#
+
+cd "%%DATADIR%%"
+JAVA_VERSION="%%JAVA_VERSION%%" \
+    exec "%%LOCALBASE%%/bin/java" \
+    -classpath $(%%LOCALBASE%%/bin/classpath) \
+    com.bbn.openmap.app.OpenMap "%@"
diff --git a/astro/openmap/pkg-plist b/astro/openmap/pkg-plist
index 865bb11144e9..fe830d2fc9f4 100644
--- a/astro/openmap/pkg-plist
+++ b/astro/openmap/pkg-plist
@@ -2639,11 +2639,11 @@
 %%PORTDOCS%%%%DOCSDIR%%/user-guide-4.html
 %%PORTDOCS%%%%DOCSDIR%%/user-guide.html
 bin/openmap
-share/java/classes/milStd2525_png.jar
-share/java/classes/omcorba.jar
-share/java/classes/omj3d.jar
-share/java/classes/omsvg.jar
-share/java/classes/openmap.jar
+%%JAVAJARDIR%%/milStd2525_png.jar
+%%JAVAJARDIR%%/omcorba.jar
+%%JAVAJARDIR%%/omj3d.jar
+%%JAVAJARDIR%%/omsvg.jar
+%%JAVAJARDIR%%/openmap.jar
 @dirrm %%DATADIR%%/data/shape/cntry02
 @dirrm %%DATADIR%%/data/shape
 @dirrm %%DATADIR%%/data