diff --git a/src/main/kotlin/node/node.kt b/src/main/kotlin/node/node.kt
index 57e89f5..02821c5 100644
--- a/src/main/kotlin/node/node.kt
+++ b/src/main/kotlin/node/node.kt
@@ -30,11 +30,18 @@ external object process {
     val argv0: String
 }
 
+external interface Buffer {
+    // Using different name instead so it won't collide with `Any::toString`
+    // `Any::toString` consider Buffers "arrayish" and returns "[...]"
+    @JsName("toString")
+    fun decodeToString(): String
+}
+
 @JsModule("fs")
 external object fs {
     fun argv(index: Int): String
     fun writeFileSync(path: String, text: String): Unit
-    fun readFileSync(path: String): String
+    fun readFileSync(path: String): Buffer
     fun readFileSync(path: String, encodingOptions: EncodingOptions): String
     fun readdirSync(path: String): Array<String>
     fun existsSync(path: String): Boolean
@@ -48,4 +55,4 @@ external object module {
 class EncodingOptions(val encoding: String = "utf8")
 
 external val __dirname: String
-external val __filename: String
\ No newline at end of file
+external val __filename: String
diff --git a/src/main/kotlin/ts2kt/translate.kt b/src/main/kotlin/ts2kt/translate.kt
index 0b2a741..129ab10 100644
--- a/src/main/kotlin/ts2kt/translate.kt
+++ b/src/main/kotlin/ts2kt/translate.kt
@@ -41,7 +41,7 @@ private fun getScriptSnapshotFromFile(path: String): IScriptSnapshot {
     var scriptSnapshot  = file2scriptSnapshotCache[path]
 
     if (scriptSnapshot == null) {
-        scriptSnapshot = fromString(fs.readFileSync(path).toString())
+        scriptSnapshot = fromString(fs.readFileSync(path).decodeToString())
         file2scriptSnapshotCache[path] = scriptSnapshot
     }