diff --git a/app/scripts/uiFuncs.js b/app/scripts/uiFuncs.js
index 1e4e382c96..6da2b28336 100644
--- a/app/scripts/uiFuncs.js
+++ b/app/scripts/uiFuncs.js
@@ -190,7 +190,12 @@ uiFuncs.generateTx = function(txData, callback) {
                     }
                     uiFuncs.signTxLedger(app, eTx, rawTx, txData, !EIP155Supported, callback);
                 }
-                app.getAppConfiguration(localCallback);
+                // workaround FIXME https://github.com/LedgerHQ/ledgerjs/issues/168
+                if (ajaxReq.eip155 && rawTx.chainId < 256) {
+                    app.getAppConfiguration(localCallback);
+                } else {
+                    uiFuncs.signTxLedger(app, eTx, rawTx, txData, true, callback);
+                }
             } else if ((typeof txData.hwType != "undefined") && (txData.hwType == "trezor")) {
                 uiFuncs.signTxTrezor(rawTx, txData, callback);
             } else if ((typeof txData.hwType != "undefined") && (txData.hwType == "web3")) {