diff --git a/scripts/change_url b/scripts/change_url
index 5179d29..c286447 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -80,7 +80,7 @@ if [ $change_path -eq 1 ]; then
 	domain="$old_domain"
 	path_url="$new_path"
 	# Create a dedicated nginx config
-	ynh_add_nginx_config $client_max_body_size
+	ynh_add_nginx_config client_max_body_size
 fi
 
 # Change the domain for nginx
diff --git a/scripts/install b/scripts/install
index 6e075cc..8581d93 100644
--- a/scripts/install
+++ b/scripts/install
@@ -173,7 +173,7 @@ fi
 ynh_print_info "Configuring nginx web server..."
 
 # Create a dedicated nginx config
-ynh_add_nginx_config $client_max_body_size
+ynh_add_nginx_config client_max_body_size
 
 #=================================================
 # SPECIFIC SETUP
diff --git a/scripts/upgrade b/scripts/upgrade
index 170180c..d3926ed 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -217,7 +217,7 @@ fi
 ynh_print_info "Configuring nginx web server..."
 
 # Create a dedicated nginx config
-ynh_add_nginx_config $client_max_body_size
+ynh_add_nginx_config client_max_body_size
 
 #=================================================
 # GENERIC FINALIZATION