diff --git a/scripts/install b/scripts/install
index 04f2153..53a683d 100755
--- a/scripts/install
+++ b/scripts/install
@@ -115,6 +115,8 @@ EOF
 #=================================================
 ynh_script_progression --message="Install weblate using PIP..." --time --weight=1
 
+ynh_psql_execute_as_root --sql="CREATE EXTENSION IF NOT EXISTS pg_trgm;" --database=$db_name
+
 virtualenv --python=python3 "${final_path}/venv"
 chown -R "$app": "$final_path"
 
diff --git a/scripts/upgrade b/scripts/upgrade
index 5f40aea..1afc53d 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -240,9 +240,10 @@ else
 	current_version=3
 fi
 
+ynh_psql_execute_as_root --sql="CREATE EXTENSION IF NOT EXISTS pg_trgm;" --database=$db_name
+
 if [ "$current_version" -lt "4" ];
 then
-	ynh_psql_execute_as_root --sql="CREATE EXTENSION IF NOT EXISTS pg_trgm;" --database=$db_name
 	upgrade "4.1.1" "../conf/settings.4.1.1.py"
 fi