diff --git a/src/api/dev.ts b/src/api/dev.ts
index fb356c8..adfd73a 100644
--- a/src/api/dev.ts
+++ b/src/api/dev.ts
@@ -199,9 +199,10 @@ class Watcher extends EventEmitter {
 						});
 
 						manifest_data = new_manifest_data;
-					} catch (err) {
+					} catch (error) {
 						this.emit('error', <ErrorEvent>{
-							message: err.message
+							type: 'manifest',
+							error
 						});
 					}
 				}
@@ -408,11 +409,11 @@ class Watcher extends EventEmitter {
 	}) {
 		compiler.oninvalid(invalid);
 
-		compiler.watch((err?: Error, result?: CompileResult) => {
-			if (err) {
+		compiler.watch((error?: Error, result?: CompileResult) => {
+			if (error) {
 				this.emit('error', <ErrorEvent>{
 					type: name,
-					message: err.message
+					error
 				});
 			} else {
 				this.emit('build', {
diff --git a/src/cli.ts b/src/cli.ts
index 64b3b33..5ebacc9 100755
--- a/src/cli.ts
+++ b/src/cli.ts
@@ -89,8 +89,16 @@ prog.command('dev')
 			});
 
 			watcher.on('error', (event: ErrorEvent) => {
-				console.log(colors.red(`✗ ${event.type}`));
-				console.log(colors.red(event.message));
+				const { type, error } = event;
+
+				console.log(colors.bold().red(`✗ ${type}`));
+
+				if (error.loc && error.loc.file) {
+					console.log(colors.bold(`${path.relative(process.cwd(), error.loc.file)} (${error.loc.line}:${error.loc.column})`));
+				}
+
+				console.log(colors.red(event.error.message));
+				if (error.frame) console.log(error.frame);
 			});
 
 			watcher.on('fatal', (event: FatalEvent) => {
diff --git a/src/core/create_compilers/extract_css.ts b/src/core/create_compilers/extract_css.ts
index c35dcf2..47bf99e 100644
--- a/src/core/create_compilers/extract_css.ts
+++ b/src/core/create_compilers/extract_css.ts
@@ -153,7 +153,7 @@ export default function extract_css(client_result: CompileResult, components: Pa
 		chunks_with_css.add(chunk);
 	});
 
-	const entry = path.resolve(dirs.src, 'app.mjs');
+	const entry = path.resolve(dirs.src, 'client.js');
 	const entry_chunk = client_result.chunks.find(chunk => chunk.modules.indexOf(entry) !== -1);
 
 	const entry_chunk_dependencies: Set<Chunk> = new Set([entry_chunk]);
diff --git a/src/interfaces.ts b/src/interfaces.ts
index 8b2f377..f768100 100644
--- a/src/interfaces.ts
+++ b/src/interfaces.ts
@@ -69,7 +69,7 @@ export type ReadyEvent = {
 
 export type ErrorEvent = {
 	type: string;
-	message: string;
+	error: Error;
 };
 
 export type FatalEvent = {