diff --git a/scripts/install b/scripts/install
index 307e3c2..b24ea50 100755
--- a/scripts/install
+++ b/scripts/install
@@ -105,7 +105,7 @@ ynh_add_systemd_config
 
 pushd "$final_path"
 	ynh_use_nodejs
-	ynh_exec_warn_less ynh_npm install
+	ynh_exec_warn_less $ynh_npm install
 popd
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 8f9fae4..c21fc75 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -117,7 +117,7 @@ ynh_exec_warn_less ynh_install_nodejs --nodejs_version=$nodejs_version
 
 pushd "$final_path"
 	ynh_use_nodejs
-	ynh_exec_warn_less ynh_npm install
+	ynh_exec_warn_less $ynh_npm install
 popd
 
 #=================================================