diff --git a/CHANGELOG.md b/CHANGELOG.md
index 94bb1d67e4f..96c85209dcf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,7 @@
 
 - Composer installation commands suggested by the Plugin Store now include a minimum version constraint.
 - Fixed a bug where it wasn’t possible to eager-load Matrix block revisions, or load them via GraphQL. ([#14448](https://github.com/craftcms/cms/issues/14448))
+- Fixed a PHP warning that could occur when publishing asset bundles on Dev Mode. ([#14455](https://github.com/craftcms/cms/pull/14455))
 
 ## 4.7.4 - 2024-02-22
 
diff --git a/src/services/Webpack.php b/src/services/Webpack.php
index d4c91151e11..f22afad55b4 100644
--- a/src/services/Webpack.php
+++ b/src/services/Webpack.php
@@ -128,7 +128,7 @@ private function _getEnvVars(string $class): ?array
         $envFile = $this->_getEnvFilePath($class);
 
         // TODO: Use DotEnv::parse() when we version is bumped.
-        $fileContents = file_exists($envFile) ? @file_get_contents($envFile) : null;
+        $fileContents = $envFile && file_exists($envFile) ? @file_get_contents($envFile) : null;
 
         if (!$fileContents) {
             return $this->_envFileVariables[$class] = [];