diff --git a/packages/core/jsr.json b/packages/core/jsr.json
index ab3fd47..b63532f 100644
--- a/packages/core/jsr.json
+++ b/packages/core/jsr.json
@@ -1,6 +1,6 @@
 {
     "name": "@sinkr/core",
     "license": "MIT",
-    "version": "0.1.0",
+    "version": "0.2.0",
     "exports": "./mod.ts"
 }
\ No newline at end of file
diff --git a/packages/core/package.json b/packages/core/package.json
index 71fbd4b..52ddd0f 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@sinkr/core",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "type": "module",
   "main": "src/index.ts",
   "exports": {
diff --git a/packages/core/src/browser.ts b/packages/core/src/browser.ts
index 2e30d71..ba7760c 100644
--- a/packages/core/src/browser.ts
+++ b/packages/core/src/browser.ts
@@ -15,7 +15,8 @@ import type {
 } from "@sinkr/validators";
 import { ClientReceiveSchema } from "@sinkr/validators";
 
-import type { EventMap, UserInfo } from "./index";
+import type { RealEventMap } from "./event-fallback";
+import type { UserInfo } from "./index";
 import {
   connectSymbol,
   countEventSymbol,
@@ -47,7 +48,7 @@ type GenericMessageEvent<T> = Prettify<
 >;
 
 type MappedEvents = {
-  [K in keyof EventMap]: GenericMessageEvent<EventMap[K]>;
+  [K in keyof RealEventMap]: GenericMessageEvent<RealEventMap[K]>;
 };
 
 type _EventMapWithDefaults = MappedEvents & DefaultEvents;
@@ -156,7 +157,7 @@ interface DefaultChannelEventMap {
   [countEventSymbol]: { count: number };
 }
 
-type ChannelEventMap = Prettify<DefaultChannelEventMap & EventMap>;
+type ChannelEventMap = Prettify<DefaultChannelEventMap & RealEventMap>;
 
 class ChannelSinker extends Emittery<ChannelEventMap> {
   private _count = 0;
@@ -214,7 +215,7 @@ interface DefaultPresenceChannelEventMap {
 }
 
 type PresenceChannelEventMap = Prettify<
-  DefaultPresenceChannelEventMap & EventMap
+  DefaultPresenceChannelEventMap & RealEventMap
 >;
 
 class PresenceSinker extends Emittery<PresenceChannelEventMap> {
diff --git a/packages/core/src/event-fallback.ts b/packages/core/src/event-fallback.ts
new file mode 100644
index 0000000..78ff747
--- /dev/null
+++ b/packages/core/src/event-fallback.ts
@@ -0,0 +1,7 @@
+import type { EventMap } from "./index";
+
+type DefaultMap = Record<string, unknown>;
+
+type EventKey = keyof EventMap;
+
+export type RealEventMap = EventKey extends never ? DefaultMap : EventMap;
diff --git a/packages/core/src/index.ts b/packages/core/src/index.ts
index d710afd..2e98adf 100644
--- a/packages/core/src/index.ts
+++ b/packages/core/src/index.ts
@@ -1,17 +1,10 @@
-/**
- * Default event map which is used if no custom events are specified.
- *
- * Supports sending any event with a string key.
- */
-export type DefaultEventMap = Record<string, unknown>;
-
 /**
  * Event map for customizing which events can be sent or received.
  *
  * Override this with module augmentation to specify your own types.
  */
 // eslint-disable-next-line @typescript-eslint/no-empty-object-type
-export interface EventMap extends DefaultEventMap {}
+export interface EventMap {}
 
 /**
  * User information for presence channels.
diff --git a/packages/core/src/server.ts b/packages/core/src/server.ts
index 277620c..5f46647 100644
--- a/packages/core/src/server.ts
+++ b/packages/core/src/server.ts
@@ -7,7 +7,8 @@ import type {
   StreamedServerEndpointSchema,
 } from "@sinkr/validators";
 
-import type { EventMap, UserInfo } from "./index";
+import type { RealEventMap } from "./event-fallback";
+import type { UserInfo } from "./index";
 
 type SendDataParam =
   | z.infer<typeof ServerEndpointSchema>
@@ -165,8 +166,8 @@ class Sourcerer {
    * @returns The HTTP status code Sinkr returned.
    */
   async sendToChannel<
-    TEvent extends keyof EventMap,
-    TData extends EventMap[TEvent],
+    TEvent extends keyof RealEventMap,
+    TData extends RealEventMap[TEvent],
   >(channel: string, event: TEvent, message: TData): Promise<number> {
     return await this.sendData({
       route: "channel",
@@ -184,8 +185,8 @@ class Sourcerer {
    * @returns The HTTP status code Sinkr returned. The function may return before the stream is finished.
    */
   async streamToChannel<
-    TEvent extends keyof EventMap,
-    TData extends EventMap[TEvent],
+    TEvent extends keyof RealEventMap,
+    TData extends RealEventMap[TEvent],
   >(
     channel: string,
     event: TEvent,
@@ -209,8 +210,8 @@ class Sourcerer {
    * @returns The HTTP status code Sinkr returned.
    */
   async directMessage<
-    TEvent extends keyof EventMap,
-    TData extends EventMap[TEvent],
+    TEvent extends keyof RealEventMap,
+    TData extends RealEventMap[TEvent],
   >(userId: string, event: TEvent, message: TData): Promise<number> {
     return await this.sendData({
       route: "direct",
@@ -228,8 +229,8 @@ class Sourcerer {
    * @returns The HTTP status code Sinkr returned. The function may return before the stream is finished.
    */
   async streamDirectMessage<
-    TEvent extends keyof EventMap,
-    TData extends EventMap[TEvent],
+    TEvent extends keyof RealEventMap,
+    TData extends RealEventMap[TEvent],
   >(
     userId: string,
     event: TEvent,
@@ -252,8 +253,8 @@ class Sourcerer {
    * @returns The HTTP status code Sinkr returned.
    */
   async broadcastMessage<
-    TEvent extends keyof EventMap,
-    TData extends EventMap[TEvent],
+    TEvent extends keyof RealEventMap,
+    TData extends RealEventMap[TEvent],
   >(event: TEvent, message: TData): Promise<number> {
     return await this.sendData({
       route: "broadcast",
@@ -269,8 +270,8 @@ class Sourcerer {
    * @returns The HTTP status code Sinkr returned. The function may return before the stream is finished.
    */
   async streamBroadcastMessage<
-    TEvent extends keyof EventMap,
-    TData extends EventMap[TEvent],
+    TEvent extends keyof RealEventMap,
+    TData extends RealEventMap[TEvent],
   >(event: TEvent, stream: ReadableStream<TData>): Promise<number> {
     return await this.sendData(
       {
diff --git a/packages/react/jsr.json b/packages/react/jsr.json
index 229fce4..37dd02d 100644
--- a/packages/react/jsr.json
+++ b/packages/react/jsr.json
@@ -1,6 +1,6 @@
 {
     "name": "@sinkr/react",
-    "version": "0.1.0",
+    "version": "0.2.0",
     "license": "MIT",
     "exports": "./mod.ts"
 }
\ No newline at end of file
diff --git a/packages/react/package.json b/packages/react/package.json
index 9f5081f..d5ba159 100644
--- a/packages/react/package.json
+++ b/packages/react/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@sinkr/react",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "type": "module",
   "main": "src/index.ts",
   "exports": {
@@ -25,7 +25,7 @@
   },
   "prettier": "@sinkr/prettier-config",
   "dependencies": {
-    "@sinkr/core": "npm:@jsr/sinkr__core@0.1.0",
+    "@sinkr/core": "npm:@jsr/sinkr__core@0.2.0",
     "react": "^18.3.1",
     "react-dom": "^18.3.1"
   }