#15052: better clean before building the application using ant
diff --git a/jenkins-sflphone-android.sh b/jenkins-sflphone-android.sh
index a63bf2b..546cb68 100755
--- a/jenkins-sflphone-android.sh
+++ b/jenkins-sflphone-android.sh
@@ -112,6 +112,7 @@
     ndk-build -j4
 
     echo "Build Java application"
+    ant clean 
     ant debug
 
     echo "Upload sflphone on the virtual device"