diff --git a/build/webpack.config.js b/build/webpack.config.js
index 202693e..649accf 100644
--- a/build/webpack.config.js
+++ b/build/webpack.config.js
@@ -82,7 +82,7 @@ const config = ({
     minimizer: [new TerserWebpackPlugin({ parallel: true })]
   },
 
-  plugins: [new DefinePlugin({ __DEV__: devBuild })]
+  plugins: [new DefinePlugin({ __ACI_DEV__: devBuild })]
 });
 
 module.exports = [
diff --git a/src/index.ts b/src/index.ts
index 8d4495d..3509f0d 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -25,10 +25,10 @@ declare global {
    *
    * @internal
    */
-  const __DEV__: boolean;
+  const __ACI_DEV__: boolean;
 }
 
-if (__DEV__) {
+if (__ACI_DEV__) {
   console.error(
     'You are using a development build. Make sure to use the correct build in production'
   );
diff --git a/test/dev.test.ts b/test/dev.test.ts
index 5f3ed30..75f8295 100644
--- a/test/dev.test.ts
+++ b/test/dev.test.ts
@@ -1,8 +1,8 @@
 export {};
 
-describe('tests __DEV__ usage', () => {
-  it('expects importing with __DEV__ true prints a warning', async () => {
-    expect(__DEV__).toBeTruthy();
+describe('tests __ACI_DEV__ usage', () => {
+  it('expects importing with __ACI_DEV__ true prints a warning', async () => {
+    expect(__ACI_DEV__).toBeTruthy();
 
     const oldLog = console.error;
     console.error = jest.fn();
diff --git a/test/setup.ts b/test/setup.ts
index 286339e..7da7b82 100644
--- a/test/setup.ts
+++ b/test/setup.ts
@@ -1,2 +1,2 @@
-// @ts-expect-error __DEV__ is declared as const
-global.__DEV__ = true;
+// @ts-expect-error __ACI_DEV__ is declared as const
+global.__ACI_DEV__ = true;