diff --git a/src/script/ant b/src/script/ant
index dd7e8d8ce..1e8bd1488 100644
--- a/src/script/ant
+++ b/src/script/ant
@@ -178,7 +178,8 @@ if $cygwin; then
   JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
   CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
   LOCALCLASSPATH=`cygpath --path --windows "$LOCALCLASSPATH"`
-  ANT_OPTS="$ANT_OPTS -Dcygwin.user.home="`cygpath --path --windows "$HOME"`
-fi
-
-exec "$JAVACMD" -classpath "$LOCALCLASSPATH" -Dant.home="${ANT_HOME}" -Djikes.class.path="$JIKESPATH" $ANT_OPTS org.apache.tools.ant.Main $ANT_ARGS "$@"
+  CYGHOME=`cygpath --path --windows "$HOME"`
+  exec "$JAVACMD" -classpath "$LOCALCLASSPATH" -Dant.home="${ANT_HOME}" -Djikes.class.path="$JIKESPATH" $ANT_OPTS -Dcygwin.user.home="$CYGHOME" org.apache.tools.ant.Main $ANT_ARGS "$@"
+else
+  exec "$JAVACMD" -classpath "$LOCALCLASSPATH" -Dant.home="${ANT_HOME}" -Djikes.class.path="$JIKESPATH" $ANT_OPTS org.apache.tools.ant.Main $ANT_ARGS "$@"
+fi
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