diff --git a/package.json b/package.json
index ec16341..7afacda 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,5 @@
 { "name": "edifact"
-, "version": "1.2.5"
+, "version": "1.2.6"
 , "description": "JavaScript parser for UN/EDIFACT documents."
 , "keywords": ["edifact", "edi", "eancom"]
 , "main": "index.js"
diff --git a/parser.js b/parser.js
index 697b948..abcccb2 100644
--- a/parser.js
+++ b/parser.js
@@ -114,8 +114,11 @@ Parser.prototype.write = function (chunk) {
     switch (this.state) {
     case Parser.states.empty:
       index = this.una(chunk) ? 9 : 0;
+      // If the first segment is interrupted by, for example, a line break, the
+      // parser will remain in the same state as it has here. Since we don't
+      // want the parser to detect another UNA header, in such a case, we put it
+      // in the segment state.
       this.state = Parser.states.segment;
-      break;
     case Parser.states.segment:
       index = this._tokenizer.segment(chunk, index);
       // Determine the next parser state.