diff --git a/systems/hikari/web-development/default.nix b/systems/hikari/web-development/default.nix
index 94f148f..95aaf19 100644
--- a/systems/hikari/web-development/default.nix
+++ b/systems/hikari/web-development/default.nix
@@ -34,7 +34,7 @@ in {
         '';
       };
       databases = lib.mkOption {
-        type = lib.types.listOf lib.types.string;
+        type = lib.types.listOf lib.types.nonEmptyStr;
         default = [];
         example = lib.literalExpression "[namespace_project namespace2_project1]";
         description = ''