diff --git a/deploy_app.sh b/deploy_app.sh
index d55088b6d42c489da367fcf7343fb4bafc165c49..783b2a99c0b302944c2747a472c10dd637382069 100755
--- a/deploy_app.sh
+++ b/deploy_app.sh
@@ -7,6 +7,7 @@
 # 2021-04-19  v0.1  <axel.hahn@iml.unibe.ch>  initial version
 # 2021-05-09  v0.2  <axel.hahn@iml.unibe.ch>  chown includes dot files
 # 2021-05-14  v0.3  <axel.hahn@iml.unibe.ch>  add params (list, force, help)
+# 2021-05-27  v0.4  <axel.hahn@iml.unibe.ch>  FIX first install
 # ======================================================================
 
 
@@ -136,7 +137,7 @@ function deploy(){
         fi
     else
         echo "INFO: last download not available - first install or a forced update."
-        isupdate=$isupdate+0
+        isupdate=$isupdate+1
         mv "${downloadtmp}" "${downloadfile}"
     fi
     ls -l "${downloadfile}"