diff --git a/scripts/_ynh_add_fpm_config b/scripts/_ynh_add_fpm_config
index 8ee2479..9d4dacf 100644
--- a/scripts/_ynh_add_fpm_config
+++ b/scripts/_ynh_add_fpm_config
@@ -108,7 +108,9 @@ ynh_add_fpm_config () {
         fi
 
         # Concatene the extra config.
-        cat ../conf/extra_php-fpm.conf >> "$finalphpconf"
+        if [ -e ../conf/extra_php-fpm.conf ]; then
+            cat ../conf/extra_php-fpm.conf >> "$finalphpconf"
+        fi
 	fi
 	sudo chown root: "$finalphpconf"
 	ynh_store_file_checksum --file="$finalphpconf"
diff --git a/scripts/install b/scripts/install
index 120efd8..5401721 100644
--- a/scripts/install
+++ b/scripts/install
@@ -8,6 +8,7 @@
 
 source _common.sh
 source /usr/share/yunohost/helpers
+source _ynh_add_fpm_config
 
 #=================================================
 # MANAGE FAILURE OF THE SCRIPT
diff --git a/scripts/upgrade b/scripts/upgrade
index 829c21c..a10245a 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -8,6 +8,7 @@
 
 source _common.sh
 source /usr/share/yunohost/helpers
+source _ynh_add_fpm_config
 
 #=================================================
 # LOAD SETTINGS