diff --git a/src/streamHandler/RegexBlockStream.js b/src/streamHandler/RegexBlockStream.js
index 5868319..ef39a67 100644
--- a/src/streamHandler/RegexBlockStream.js
+++ b/src/streamHandler/RegexBlockStream.js
@@ -52,7 +52,7 @@ class RegexBlockStream extends Transform{
 
     _flush(next){
         if(matchAllOnFlush){    // When requested, we'll match one last time over the remaining buffer
-            let chunk = this.readableBuffer.toString();
+            let chunk = this.readableBuffer.join('');
             let matches = chunk.match(this.matcher);    // Match remaining buffer
             _writeMatches(matches);    // Write matches including last element
         }