diff --git a/docs-web/pom.xml b/docs-web/pom.xml
index b66010c1..3573646e 100644
--- a/docs-web/pom.xml
+++ b/docs-web/pom.xml
@@ -281,10 +281,10 @@
                       <arg line="install" />
                     </exec>
                     <!-- grunt -->
-                    <exec executable="cmd" dir="${project.basedir}/src/main/webapp" osfamily="windows">
+                    <exec executable="cmd" dir="${project.basedir}/src/main/webapp" osfamily="windows" failonerror="true">
                       <arg line="/c grunt --apiurl=api" />
                     </exec>
-                    <exec executable="grunt" dir="${project.basedir}/src/main/webapp" osfamily="unix">
+                    <exec executable="grunt" dir="${project.basedir}/src/main/webapp" osfamily="unix" failonerror="true">
                       <arg line="--apiurl=api" />
                     </exec>
                   </target>
diff --git a/docs-web/src/main/webapp/package.json b/docs-web/src/main/webapp/package.json
index 6fc9addc..d741dbd3 100644
--- a/docs-web/src/main/webapp/package.json
+++ b/docs-web/src/main/webapp/package.json
@@ -2,6 +2,7 @@
   "name": "sismics-docs",
   "description": "Lightweight document management system",
   "readme": "See http://github.com/simics/docs for more informations.",
+  "license": "GPL-2.0",
   "version": "1.5.0",
   "repository": {
     "type": "git",