diff --git a/scripts/install b/scripts/install
index 1c66326..0c4615d 100755
--- a/scripts/install
+++ b/scripts/install
@@ -33,7 +33,6 @@ ynh_script_progression --message="Setting up source files..." --weight=1
 # Download, check integrity, uncompress and patch the source from app.src
 ynh_setup_source --dest_dir="$install_dir"
 
-chmod 750 "$install_dir"
 chmod -R o-rwx "$install_dir"
 chown -R $app:www-data "$install_dir"
 
diff --git a/scripts/restore b/scripts/restore
index 407be32..e22dd71 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -24,7 +24,6 @@ ynh_script_progression --message="Restoring the app main directory..." --weight=
 
 ynh_restore_file --origin_path="$install_dir"
 
-chmod 750 "$install_dir"
 chmod -R o-rwx "$install_dir"
 chown -R $app:www-data "$install_dir"
 
diff --git a/scripts/upgrade b/scripts/upgrade
index 920bf9a..2ad97ae 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -47,7 +47,6 @@ then
 
 fi
 
-chmod 750 "$install_dir"
 chmod -R o-rwx "$install_dir"
 chown -R $app:www-data "$install_dir"