diff --git a/nbproject/project.xml b/nbproject/project.xml
index 8f7ca44a9..a13bff673 100644
--- a/nbproject/project.xml
+++ b/nbproject/project.xml
@@ -39,6 +39,12 @@
                     <location>libsrc/ffdec_lib/test</location>
                     <encoding>UTF-8</encoding>
                 </source-folder>
+                <source-folder>
+                    <label>libsrc\ffdec_lib\lexers</label>
+                    <type>java</type>
+                    <location>libsrc/ffdec_lib/lexers</location>
+                    <encoding>UTF-8</encoding>
+                </source-folder>
             </folders>
             <ide-actions>
                 <action name="build">
@@ -162,6 +168,10 @@
                         <label>libsrc\ffdec_lib\test</label>
                         <location>libsrc/ffdec_lib/test</location>
                     </source-folder>
+                    <source-folder style="packages">
+                        <label>libsrc\ffdec_lib\lexers</label>
+                        <location>libsrc/ffdec_lib/lexers</location>
+                    </source-folder>
                     <source-file>
                         <location>build.xml</location>
                     </source-file>
@@ -227,6 +237,10 @@
                 <classpath mode="compile">lib/ffdec_lib.jar;libsrc/ffdec_lib/src;libsrc/ffdec_lib/testlib/emma.jar;libsrc/ffdec_lib/testlib/emma_ant.jar;libsrc/ffdec_lib/testlib/testng-6.8.jar</classpath>
                 <source-level>1.8</source-level>
             </compilation-unit>
+            <compilation-unit>
+                <package-root>libsrc/ffdec_lib/lexers</package-root>
+                <source-level>1.8</source-level>
+            </compilation-unit>
         </java-data>
     </configuration>
 </project>