diff --git a/build.default.ini b/build.default.ini
new file mode 100644
index 00000000..3db525f5
--- /dev/null
+++ b/build.default.ini
@@ -0,0 +1,19 @@
+[script/**/*.es6]
+require=node_modules/.bin/esbuild
+execute=./node_modules/.bin/esbuild script/script.es6 --bundle --sourcemap --outfile=www/script.js --loader:.es6=js --target=chrome105,firefox105,edge105,safari15
+
+[script/**/*.js]
+require=vendor/bin/sync
+execute=vendor/bin/sync --pattern "**/*.js" script www/script
+
+[style/**/*.scss]
+require=node_modules/.bin/sass
+execute=./node_modules/.bin/sass ./style/style.scss www/style.css --source-map --embed-sources --embed-source-map
+
+[style/**/*.css]
+require=vendor/bin/sync
+execute=vendor/bin/sync --pattern "**/*.css" style www/style
+
+[asset/**/*]
+require=vendor/bin/sync
+execute=vendor/bin/sync asset/ www/asset --delete --symlink
diff --git a/build.default.json b/build.default.json
deleted file mode 100644
index ba8179df..00000000
--- a/build.default.json
+++ /dev/null
@@ -1,51 +0,0 @@
-{
-	"script/**/*.es6": {
-		"require": {
-			"node_modules/.bin/esbuild": "*"
-		},
-		"execute": {
-			"command": "./node_modules/.bin/esbuild",
-			"arguments": ["script/script.es6", "--bundle", "--sourcemap", "--outfile=www/script.js", "--loader:.es6=js", "--target=chrome105,firefox105,edge105,safari15"]
-		}
-	},
-
-	"script/**/*.js": {
-		"require": {
-			"vendor/bin/sync": "*"
-		},
-		"execute": {
-			"command": "vendor/bin/sync",
-			"arguments": ["--pattern", "**/*.js", "script", "www/script"]
-		}
-	},
-
-	"style/**/*.scss": {
-		"require": {
-			"node_modules/.bin/sass": "*"
-		},
-		"execute": {
-			"command": "./node_modules/.bin/sass",
-			"arguments": ["./style/style.scss", "www/style.css", "--source-map", "--embed-sources", "--embed-source-map"]
-		}
-	},
-
-	"style/**/*.css": {
-		"require": {
-			"vendor/bin/sync": "*"
-		},
-		"execute": {
-			"command": "vendor/bin/sync",
-			"arguments": ["--pattern", "**/*.css", "style", "www/style"]
-		}
-	},
-
-	"asset/**/*": {
-		"require": {
-			"vendor/bin/sync": "*"
-		},
-		"execute": {
-			"command": "vendor/bin/sync",
-			"arguments": ["asset/", "www/asset", "--delete", "--symlink"]
-		}
-	}
-}
diff --git a/setup.php b/setup.php
index 522a1ba1..024c61a9 100644
--- a/setup.php
+++ b/setup.php
@@ -14,8 +14,8 @@
 	}
 	$error = "No vendor directory found - do you need to run `composer install`?";
 }
-if(is_file("build.default.json")) {
-	$error = "Please run this script from your project's root directory.";
+if(is_file("build.default.ini") || is_file("build.default.json")) {
+	$error = "Please run this script from your project's root directory - not WebEngine's directory.";
 }
 if($error) {
 	echo "$error See https://www.php.gt/webengine/setup for more information.", PHP_EOL;