diff --git a/lib/x11/xcore.js b/lib/x11/xcore.js
index 90de938..f0950ec 100644
--- a/lib/x11/xcore.js
+++ b/lib/x11/xcore.js
@@ -185,12 +185,25 @@ XClient.prototype.expectReplyHeader = function()
             var type = res[0];
             var seq_num = res[2];
             if (type == 0)
-            {
-                var error_code = res[1];              
+            {              
+                var error_code = res[1];
+                var error = {};
+                error.code = error_code;
+                error.seq = seq_num;
+                error.message = xerrors.errorText[error_code];
+
                 // unpack error packet (32 bytes for all error types, 8 of them in CCSL header)
                 client.pack_stream.get(24, function(buf) {
                     // TODO: dispatch, use sequence number
-                    console.error('error!!!!' + xerrors.errorText[error_code]);
+                    //TODO: add more generic way to read common values
+                    // if (error_code == 14)
+                    {
+                        var res = buf.unpack('LSC');
+                        error.badPparam = res[0]; // id: GC, WinID, Font, Atom etc; Value
+                        error.minorOpcode = res[1];
+                        error.majorOpcode = res[2];                       
+                    }
+                    client.emit('error', error);
                     client.expectReplyHeader();
                 } ); 
                 return;