diff --git a/rpm/build/SOURCES/jenkins.init.in b/rpm/build/SOURCES/jenkins.init.in
index 8e326463..a11f8114 100644
--- a/rpm/build/SOURCES/jenkins.init.in
+++ b/rpm/build/SOURCES/jenkins.init.in
@@ -102,6 +102,7 @@ PARAMS="--logfile=/var/log/@@ARTIFACTNAME@@/@@ARTIFACTNAME@@.log --webroot=/var/
 [ -n "$JENKINS_HANDLER_STARTUP" ] && PARAMS="$PARAMS --handlerCountStartup=$JENKINS_HANDLER_STARTUP"
 [ -n "$JENKINS_HANDLER_MAX" ] && PARAMS="$PARAMS --handlerCountMax=$JENKINS_HANDLER_MAX"
 [ -n "$JENKINS_HANDLER_IDLE" ] && PARAMS="$PARAMS --handlerCountMaxIdle=$JENKINS_HANDLER_IDLE"
+[ -n "$JENKINS_EXTRA_LIB_FOLDER" ] && PARAMS="$PARAMS --extraLibFolder=$JENKINS_EXTRA_LIB_FOLDER"
 [ -n "$JENKINS_ARGS" ] && PARAMS="$PARAMS $JENKINS_ARGS"
 
 if [ "$JENKINS_ENABLE_ACCESS_LOG" = "yes" ]; then
diff --git a/rpm/build/SOURCES/jenkins.sysconfig.in b/rpm/build/SOURCES/jenkins.sysconfig.in
index cbcdbfe5..9e19d8fa 100644
--- a/rpm/build/SOURCES/jenkins.sysconfig.in
+++ b/rpm/build/SOURCES/jenkins.sysconfig.in
@@ -151,6 +151,16 @@ JENKINS_HANDLER_MAX="100"
 #
 JENKINS_HANDLER_IDLE="20"
 
+## Type:        string
+## Default:     ""
+## ServiceRestart: @@ARTIFACTNAME@@
+#
+# Folder for additional jar files to add to the Jetty class loader.
+# See Winstone documentation for more information.
+# Default is disabled.
+#
+JENKINS_EXTRA_LIB_FOLDER=""
+
 ## Type:        string
 ## Default:     ""
 ## ServiceRestart: @@ARTIFACTNAME@@