diff --git a/packages/lib/src/config/definitions.ts b/packages/lib/src/config/definitions.ts
index 11a9dd3b..0584f4c3 100644
--- a/packages/lib/src/config/definitions.ts
+++ b/packages/lib/src/config/definitions.ts
@@ -398,7 +398,8 @@ export class InstanceConfig extends classes.Config<InstanceConfigFields> {
 			optional: true,
 		},
 		"factorio.rcon_password": {
-			description: "Password for RCON, randomly generated if null",
+			credential: ["host", "controller"],
+			description: "Password for RCON, randomly generated if null.",
 			restartRequired: true,
 			type: "string",
 			optional: true,