diff --git a/build.xml b/build.xml
index 902d118..5f3c962 100644
--- a/build.xml
+++ b/build.xml
@@ -482,7 +482,7 @@ etics.build:   			(optional) Set to 'true', it indicates that build structures a
 	
 	<!-- javadoc tasks -->
 	<target name="doc">
-		<javadoc access="public" author="true" sourcepath="${service.dir}" packagenames="${package}.*"
+		<javadoc access="public" author="true" sourcepath="${source.dir}" packagenames="${package}.*"
 			destdir="doc/api" nodeprecated="false" nodeprecatedlist="false" 
 			noindex="false" nonavbar="false" notree="false" 
 			source="1.5"