Clover history report generation may not work with multimodule maven project and relative historyDir path

private boolean isHistoricalDirectoryValid(String outFile) {
        boolean isValid = false;
        File dir
        if (!new File(this.historyDir).isAbsolute()) {
             dir = new File(project.getBasedir(), this.historyDir);
        } else {
             dir = new File(this.historyDir);//
        }

BUILD FAILED
c:\Work\testcases\easymock\build.xml:71: java.lang.IllegalStateException: basedir c:\Work\testcases\easymock\.cloverhistory does not exist.
        at org.apache.tools.ant.DirectoryScanner.scan(DirectoryScanner.java:879)
        at com.cenqua.clover.tasks.CloverReportTask$HistoricalEx.processHistoryIncludes(CloverReportTask.java:274)
        at com.cenqua.clover.tasks.CloverReportTask$HistoricalEx.processHistoryIncludes(CloverReportTask.java:261)
        at com.cenqua.clover.tasks.CloverReportTask$HistoricalEx.resolve(CloverReportTask.java:241)
        at com.cenqua.clover.tasks.CloverReportTask.cloverExecute(CloverReportTask.java:340)
        at com.cenqua.clover.tasks.AbstractCloverTask.execute(AbstractCloverTask.java:55)
        at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291)
        at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)