diff --git a/scripts/_common.sh b/scripts/_common.sh
index 6bf639c..c6b3b07 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -4,6 +4,8 @@ PKG_DEPENDENCIES="sqlite3 libldap2-dev libsasl2-dev python3-dev imagemagick pyth
 #PKG_DEPENDENCIES="sqlite3 python3-pip imagemagick"
 DOSSIER_MEDIA=/home/yunohost.multimedia
 
+LOG_FILE=/var/log/$app/$app.log
+ACCESS_LOG_FILE=/var/log/$app/$app-access.log
 
 #=================================================
 # EXPERIMENTAL HELPERS
diff --git a/scripts/install b/scripts/install
index 2a39dd8..32ff154 100755
--- a/scripts/install
+++ b/scripts/install
@@ -6,7 +6,6 @@
 # IMPORT GENERIC HELPERS
 #=================================================
 
-source _common.sh
 source /usr/share/yunohost/helpers
 
 #=================================================
@@ -21,15 +20,14 @@ admin=$YNH_APP_ARG_ADMIN
 is_public=$YNH_APP_ARG_IS_PUBLIC
 language=$YNH_APP_ARG_LANGUAGE
 upload=$YNH_APP_ARG_UPLOAD
-public_library=$7YNH_APP_ARG_PUBLIC_LIBRARY
+public_library=$YNH_APP_ARG_PUBLIC_LIBRARY
 
 #if app is public, we assume library is public
 if [ $is_public -eq 1 ]; then
 	public_library=1
 fi
 
-LOG_FILE=/var/log/$app/$app.log
-ACCESS_LOG_FILE=/var/log/$app/$app-access.log
+source _common.sh
 
 #=================================================
 # MANAGE SCRIPT FAILURE