diff --git a/common.sh b/common.sh
index 1fba3c8..2419591 100644
--- a/common.sh
+++ b/common.sh
@@ -12,6 +12,7 @@ JAVA_OPTS="$JAVA_OPTS -XX:+PrintGCDetails -XX:+PrintGCDateStamps -XX:+PrintGCApp
 JAVA_OPTS="$JAVA_OPTS -Dlog4j2.contextSelector=org.apache.logging.log4j.core.async.AsyncLoggerContextSelector"
 JAVA_OPTS="$JAVA_OPTS -Dlog4j.configurationFile=${LOG4J2_FILE}"
 
+SOURCE_DIR="third_party/wjtx/"
 SOURCE_PATH="."
 PRE_COMPILE_CMD="rm -rf /root/wjtx && cp -rf third_party/wjtx/ /root"
 COMPILE_CMD="cd /root/wjtx/trunk && mvn clean package install -Dmaven.test.skip=true"