diff --git a/frameworks/common-functions.sh b/frameworks/common-functions.sh
index dfabac2003231c52ee4f54c464c154d5434f006e..14eb9540553d669962c7cd18d6b46ae07f412597 100644
--- a/frameworks/common-functions.sh
+++ b/frameworks/common-functions.sh
@@ -80,7 +80,7 @@ EOF
 }
 
 function startZipkin {
-	if [ ! -d zipkin ]
+	if [ ! -d zipkin ] || [ ! -f zipkin/zipkin.jar ]
 	then
 		mkdir zipkin
 		cd zipkin