diff --git a/scripts/install b/scripts/install
index 25a7e17..0f83ce6 100755
--- a/scripts/install
+++ b/scripts/install
@@ -127,7 +127,7 @@ pushd "$final_path"
 	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn cache clean 2>&1
 	ynh_script_progression --message="Building Yarn dependencies... This can be very long, be patient !" --weight=30
 	#https://geeklearning.io/angular-aot-webpack-memory-trick/
-	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH NODE_OPTIONS=--max-old-space-size=4096 yarn run build
+	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH NODE_OPTIONS=--max-old-space-size=2048 yarn run build
 	ynh_script_progression --message="Cleaning cache... " --weight=3
 	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn cache clean 2>&1
 popd
diff --git a/scripts/upgrade b/scripts/upgrade
index a0480c4..67f6baf 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -119,7 +119,7 @@ then
 		ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn cache clean 2>&1
 		ynh_script_progression --message="Building Yarn dependencies... This can be very long, be patient !" --weight=18
 		#https://geeklearning.io/angular-aot-webpack-memory-trick/
-		ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH NODE_OPTIONS=--max-old-space-size=4096 yarn run build
+		ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH NODE_OPTIONS=--max-old-space-size=2048 yarn run build
 		ynh_script_progression --message="Cleaning cache... " --weight=3
 		ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn cache clean 2>&1
 	popd