diff --git a/src/providers/DynmapMapProvider.ts b/src/providers/DynmapMapProvider.ts
index bdad4e9..d54fc04 100644
--- a/src/providers/DynmapMapProvider.ts
+++ b/src/providers/DynmapMapProvider.ts
@@ -591,7 +591,7 @@ export default class DynmapMapProvider extends MapProvider {
 
 		this.markersAbort = new AbortController();
 
-		const response = await DynmapMapProvider.fetchJSON(url, this.markersAbort.signal);
+		const response = await DynmapMapProvider.getJSON(url, this.markersAbort.signal);
 		const sets: Map<string, LiveAtlasMarkerSet> = new Map();
 
 		response.sets = response.sets || {};
@@ -626,7 +626,7 @@ export default class DynmapMapProvider extends MapProvider {
 
 		this.configurationAbort = new AbortController();
 
-		const response = await DynmapMapProvider.fetchJSON(this.config.dynmap!.configuration, this.configurationAbort.signal);
+		const response = await DynmapMapProvider.getJSON(this.config.dynmap!.configuration, this.configurationAbort.signal);
 
 		if (response.error === 'login-required') {
 			throw new Error("Login required");
@@ -664,7 +664,7 @@ export default class DynmapMapProvider extends MapProvider {
 
 		this.updateAbort = new AbortController();
 
-		const response = await DynmapMapProvider.fetchJSON(url, this.updateAbort.signal);
+		const response = await DynmapMapProvider.getJSON(url, this.updateAbort.signal);
 		const players: Set<LiveAtlasPlayer> = new Set(),
 			updates = this.buildUpdates(response.updates || []),
 			worldState = {
@@ -734,6 +734,7 @@ export default class DynmapMapProvider extends MapProvider {
 
 		return fetch(this.config.dynmap!.sendmessage, {
 			method: 'POST',
+			credentials: 'include',
 			body: JSON.stringify({
 				name: null,
 				message: message,
diff --git a/src/providers/MapProvider.ts b/src/providers/MapProvider.ts
index 1ed9c4a..63709b8 100644
--- a/src/providers/MapProvider.ts
+++ b/src/providers/MapProvider.ts
@@ -58,11 +58,11 @@ export default abstract class MapProvider implements LiveAtlasMapProvider {
 		this.currentWorldUnwatch();
 	}
 
-	protected static async fetchJSON(url: string, signal: AbortSignal) {
+	protected static async fetchJSON(url: string, options: any) {
 		let response, json;
 
 		try {
-			response = await fetch(url, {signal});
+			response = await fetch(url, options);
 		} catch(e) {
 			if(e instanceof DOMException && e.name === 'AbortError') {
 				console.warn(`Request aborted (${url}`);
@@ -91,4 +91,8 @@ export default abstract class MapProvider implements LiveAtlasMapProvider {
 
 		return json;
 	}
+
+	protected static async getJSON(url: string, signal: AbortSignal) {
+		return MapProvider.fetchJSON(url, {signal, credentials: 'include'});
+	}
 }
diff --git a/src/providers/Pl3xmapMapProvider.ts b/src/providers/Pl3xmapMapProvider.ts
index 7c1615d..76e4051 100644
--- a/src/providers/Pl3xmapMapProvider.ts
+++ b/src/providers/Pl3xmapMapProvider.ts
@@ -190,7 +190,7 @@ export default class Pl3xmapMapProvider extends MapProvider {
 
 		this.markersAbort = new AbortController();
 
-		const response = await Pl3xmapMapProvider.fetchJSON(url, this.markersAbort.signal);
+		const response = await Pl3xmapMapProvider.getJSON(url, this.markersAbort.signal);
 		const sets: Map<string, LiveAtlasMarkerSet> = new Map();
 
 		if(!Array.isArray(response)) {
@@ -368,7 +368,7 @@ export default class Pl3xmapMapProvider extends MapProvider {
 		this.configurationAbort = new AbortController();
 
 		const baseUrl = this.config.pl3xmap,
-			response = await Pl3xmapMapProvider.fetchJSON(`${baseUrl}tiles/settings.json`, this.configurationAbort.signal);
+			response = await Pl3xmapMapProvider.getJSON(`${baseUrl}tiles/settings.json`, this.configurationAbort.signal);
 
 		if (response.error) {
 			throw new Error(response.error);
@@ -379,7 +379,7 @@ export default class Pl3xmapMapProvider extends MapProvider {
 				.map((world: any) => world.name);
 
 		const worldResponses = await Promise.all(worldNames.map(name =>
-			Pl3xmapMapProvider.fetchJSON(`${baseUrl}tiles/${name}/settings.json`, this.configurationAbort!.signal)));
+			Pl3xmapMapProvider.getJSON(`${baseUrl}tiles/${name}/settings.json`, this.configurationAbort!.signal)));
 
 		this.store.commit(MutationTypes.SET_SERVER_CONFIGURATION, config);
 		this.store.commit(MutationTypes.SET_SERVER_MESSAGES, Pl3xmapMapProvider.buildMessagesConfig(response));
@@ -407,7 +407,7 @@ export default class Pl3xmapMapProvider extends MapProvider {
 
 		this.playersAbort = new AbortController();
 
-		const response = await Pl3xmapMapProvider.fetchJSON(url, this.playersAbort.signal),
+		const response = await Pl3xmapMapProvider.getJSON(url, this.playersAbort.signal),
 			players: Set<LiveAtlasPlayer> = new Set();
 
 		(response.players || []).forEach((player: any) => {