diff --git a/lib/bcoin/script.js b/lib/bcoin/script.js
index 00bda3b4..c68b91f4 100644
--- a/lib/bcoin/script.js
+++ b/lib/bcoin/script.js
@@ -1913,8 +1913,9 @@ Script.num = function num(value, flags, size) {
   // 0x80, remove it from the result's msb and return
   // a negative.
   if (value[value.length - 1] & 0x80) {
-    n = new bn(0x80).ushln(8 * (value.length - 1)).notn(64);
-    return result.uand(n).neg();
+    // n = new bn(0x80).ushln(8 * (value.length - 1)).notn(64);
+    // return result.uand(n).neg();
+    result.setn((value.length * 8) - 1, 0).ineg();
   }
 
   return result;
@@ -1962,8 +1963,20 @@ Script.array = function(value) {
   // interpreted as a negative when
   // converting to an integral.
 
+  // neg = value.cmpn(0) < 0;
+  // if (value.testn((value.byteLength() * 8) - 1)) {
+  //   result = value.toArray('le');
+  //   result.push(neg ? 0x80 : 0);
+  //   return new Buffer(result);
+  // }
+  // result = value.toBuffer('le');
+  // if (neg)
+  //   result[result.length - 1] |= 0x80;
+  // return result;
+
   neg = value.cmpn(0) < 0;
   result = value.toArray('le');
+
   if (result[result.length - 1] & 0x80)
     result.push(neg ? 0x80 : 0);
   else if (neg)