diff --git a/scripts/install b/scripts/install
index 0959371..c905abd 100644
--- a/scripts/install
+++ b/scripts/install
@@ -42,6 +42,12 @@ test ! -e "$final_path" || ynh_die "This path already contains a folder"
 # TODO: remove this test, don't as password anymore, generate it and send it by email to admin with: https://github.com/YunoHost-Apps/Experimental_helpers/tree/master/send_readme_to_admin
 [[ ${#admin_pass} -gt 7 ]] || ynh_die "Password is too weak, must be longer than 7 characters"
 
+MEM=$(free | grep "^Mem"  | awk '{print $2}')
+SWAP=$(free | grep "^Swap" | awk '{print $2}')
+TOTAL_MEM_AND_SWAP=$(( ( $MEM+$SWAP ) / 1024 )) # In MB
+
+[[ $TOTAL_MEM_AND_SWAP -gt 2500 ]] || ynh_die "You need at least 2500 Mo of RAM+Swap to install Mastodon. Please consult the README to learn how to add swap."
+
 # Normalize the url path syntax
 path_url=$(ynh_normalize_url_path $path_url)