diff --git a/js/coin.js b/js/coin.js
index a314dc8..4e01787 100644
--- a/js/coin.js
+++ b/js/coin.js
@@ -1549,13 +1549,15 @@
 							if(!witness_used.includes(y)){
 								var sw = coinjs.segwitAddress(this.witness[y][1]);
 								var b32 = coinjs.bech32Address(this.witness[y][1]);
-								if((sw['redeemscript'] == Crypto.util.bytesToHex(this.ins[i].script.chunks[0])) || (b32['redeemscript'] == Crypto.util.bytesToHex(this.ins[i].script.chunks[0]))){
-									witness_order.push(this.witness[y]);
-									witness_used.push(y);
-									if(b32['redeemscript'] == Crypto.util.bytesToHex(this.ins[i].script.chunks[0])){
-										this.ins[index].script = coinjs.script();
+								if(this.ins[i].script.chunks.length>0){
+									if((sw['redeemscript'] == Crypto.util.bytesToHex(this.ins[i].script.chunks[0])) || (b32['redeemscript'] == Crypto.util.bytesToHex(this.ins[i].script.chunks[0]))){
+										witness_order.push(this.witness[y]);
+										witness_used.push(y);
+										if(b32['redeemscript'] == Crypto.util.bytesToHex(this.ins[i].script.chunks[0])){
+											this.ins[index].script = coinjs.script();
+										}
+										break;
 									}
-									break;
 								}
 							}
 						}
diff --git a/sha1sum b/sha1sum
index 6fd8b72..8660f88 100644
--- a/sha1sum
+++ b/sha1sum
@@ -1,9 +1,9 @@
----- Version 1.4 2018.06.11 ---
+---- Version 1.4 2018.06.17 ---
 77e4519962e2f6a9fc93342137dbb31c33b76b04  ./js/aes.js
 3a09a8fc0cfe828b57fc798d668234d0490ee1a6  ./js/bootstrap-datetimepicker.min.js
 253711c6d825de55a8360552573be950da180614  ./js/bootstrap.min.js
 988f99187ab356bc5d12b61572f463e1785c15c2  ./js/coinbin.js
-9b12eedab976f201ae5ee084701a038eebea5c9c  ./js/coin.js
+776a3e2ae1e5835cf0c290987ac5343d8f57ad73  ./coin.js
 988565bc2cb402d63ed5c5fd7ff47c4278efc2c5  ./js/collapse.js
 9ba5ede3d7f9d4c8fd623395f196adfdcf7e970f  ./js/crypto-min.js
 f7c09f2f5a721371e7d478050119f7e2d58e3ef9  ./js/crypto-sha256-hmac.js