diff --git a/src/build.xml b/src/build.xml
index 27b135f40c..3467ae0a70 100644
--- a/src/build.xml
+++ b/src/build.xml
@@ -251,6 +251,7 @@ build.war: build a war file in the lib directory.
     <javac excludes="*/src-wad/**,*/src-util/**,**/org/openbravo/erpWindows/**" destdir="${build}" encoding="UTF-8" fork="true" memorymaximumsize="${build.maxmemory}" debug="true" debuglevel="lines,vars,source" nowarn="${friendlyWarnings}" includeantruntime="false">
       <src refid="my-src-dirs"/>
       <classpath refid="project.class.path" />
+      <compilerarg value="-Xlint:unchecked" />
     </javac>
 
     <javac srcdir="${build.sqlc}/srcAD" destdir="${build}" encoding="UTF-8" fork="true" memorymaximumsize="${build.maxmemory}" debug="true" debuglevel="lines,vars,source" nowarn="${friendlyWarnings}" includeantruntime="false">