diff --git a/build.gradle b/build.gradle
index b808d2fd56..633739a745 100644
--- a/build.gradle
+++ b/build.gradle
@@ -27,8 +27,8 @@ task appletJar<<{
 			fileset(dir:"${basicDir}/finereport-performance-stable/${branchName}/build/classes/main")
 
 		}
-		unjar(src:"${libDir}/3rd.jar",dest:"${libDir}/tmp")
-		unjar(src:"${libDir}/servlet-api.jar",dest:"${libDir}/tmp")
+		unjar(src:"${libDir}/3rd.jar",dest:"${libDir}/tmp-${branchName}")
+		unjar(src:"${libDir}/servlet-api.jar",dest:"${libDir}/tmp-${branchName}")
 		jar(jarfile:"build/libs/fr-applet-8.0.jar"){
 			fileset(dir:"build/classes"){
 				exclude(name:"*.*")