1 files changed, 1 insertions, 1 deletions

diff --git a/encoding.js b/encoding.js
index f0b68a7..52265de 100644
--- a/encoding.js
+++ b/encoding.js
@@ -147,7 +147,7 @@ function decode_base64( str ) {
 
 function decode_header( line ) {
   while( 1 ) {
-    var enc_word = /=\?(\S+)\?(Q|B)\?(\S+)\?=/(line);
+    var enc_word = line.match( /=\?(\S+)\?(Q|B)\?(\S+)\?=/ );
     var dec_word;
     if( enc_word == null ) {
       break;