diff --git a/acorn.js b/acorn.js
index 334b3ff1d8..491a3e2f23 100644
--- a/acorn.js
+++ b/acorn.js
@@ -1458,6 +1458,7 @@
         case "ObjectPattern":
         case "ArrayPattern":
         case "AssignmentPattern":
+        case "RestElement":
           break;
 
         case "ObjectExpression":
@@ -1478,6 +1479,7 @@
 
         case "SpreadElement":
           if (allowSpread) {
+            node.type = "RestElement";
             toAssignable(node.argument, false, checkType);
             checkSpreadAssign(node.argument);
           } else {
@@ -1502,17 +1504,19 @@
 
   // Parses spread element.
 
-  function parseSpread(isBinding) {
-    var spread = startNode();
+  function parseSpread() {
+    var node = startNode();
     next();
-    if (isBinding) {
-      var arg = parseAssignableAtom();
-      checkSpreadAssign(arg);
-      spread.argument = arg;
-    } else {
-      spread.argument = parseMaybeAssign();
-    }
-    return finishNode(spread, "SpreadElement");
+    node.argument = parseMaybeAssign();
+    return finishNode(node, "SpreadElement");
+  }
+
+  function parseRest() {
+    var node = startNode();
+    next();
+    node.argument = parseAssignableAtom();
+    checkSpreadAssign(node.argument);
+    return finishNode(node, "RestElement");
   }
 
   // Parses lvalue (assignable) atom.
@@ -1530,7 +1534,7 @@
         while (!eat(_bracketR)) {
           first ? first = false : expect(_comma);
           if (tokType === _ellipsis) {
-            elts.push(parseSpread(true));
+            elts.push(parseRest());
             expect(_bracketR);
             break;
           }
@@ -1648,7 +1652,7 @@
         break;
 
       case "AssignmentPattern":
-      case "SpreadElement":
+      case "RestElement":
         break;
 
       default:
@@ -2270,7 +2274,7 @@
         first ? first = false : expect(_comma);
         if (tokType === _ellipsis) {
           spreadStart = tokStart;
-          exprList.push(parseSpread(true));
+          exprList.push(parseRest());
           break;
         } else {
           if (tokType === _parenL && !innerParenStart) {
@@ -2479,7 +2483,7 @@
       } else {
         toAssignable(param, i === lastI, true);
         defaults.push(null);
-        if (param.type === "SpreadElement") {
+        if (param.type === "RestElement") {
           params.length--;
           node.rest = param.argument;
           break;
diff --git a/acorn_loose.js b/acorn_loose.js
index db2883c4bf..dca43afc7b 100644
--- a/acorn_loose.js
+++ b/acorn_loose.js
@@ -297,7 +297,7 @@
       case "MemberExpression":
       case "ObjectPattern":
       case "ArrayPattern":
-      case "SpreadElement":
+      case "RestElement":
       case "AssignmentPattern":
         return expr;
 
@@ -982,6 +982,7 @@
           break;
 
         case "SpreadElement":
+          node.type = "RestElement";
           node.argument = toAssignable(node.argument);
           break;
 
@@ -1007,7 +1008,7 @@
         param = param.left;
       }
       param = toAssignable(param);
-      if (param.type === "SpreadElement") {
+      if (param.type === "RestElement") {
         param = param.argument;
         if (i === params.length - 1) {
           node.rest = param;
diff --git a/test/tests-harmony.js b/test/tests-harmony.js
index c0c74b8113..82eafb146d 100644
--- a/test/tests-harmony.js
+++ b/test/tests-harmony.js
@@ -12913,7 +12913,7 @@ test("[...a] = b", {
       left: {
         type: "ArrayPattern",
         elements: [{
-          type: "SpreadElement",
+          type: "RestElement",
           argument: {
             type: "Identifier",
             name: "a",
@@ -12979,7 +12979,7 @@ test("[a, ...b] = c", {
             }
           },
           {
-            type: "SpreadElement",
+            type: "RestElement",
             argument: {
               type: "Identifier",
               name: "b",
@@ -13101,7 +13101,7 @@ test("[{ a, b }, ...c] = d", {
             }
           },
           {
-            type: "SpreadElement",
+            type: "RestElement",
             argument: {
               type: "Identifier",
               name: "c",
@@ -13168,7 +13168,7 @@ test("[a, ...[b, c]] = d", {
             }
           },
           {
-            type: "SpreadElement",
+            type: "RestElement",
             argument: {
               type: "ArrayPattern",
               elements: [
@@ -13242,7 +13242,7 @@ test("var [...a] = b", {
       id: {
         type: "ArrayPattern",
         elements: [{
-          type: "SpreadElement",
+          type: "RestElement",
           argument: {
             type: "Identifier",
             name: "a",
@@ -13308,7 +13308,7 @@ test("var [a, ...b] = c", {
             }
           },
           {
-            type: "SpreadElement",
+            type: "RestElement",
             argument: {
               type: "Identifier",
               name: "b",
@@ -13430,7 +13430,7 @@ test("var [{ a, b }, ...c] = d", {
             }
           },
           {
-            type: "SpreadElement",
+            type: "RestElement",
             argument: {
               type: "Identifier",
               name: "c",
@@ -13497,7 +13497,7 @@ test("var [a, ...[b, c]] = d", {
             }
           },
           {
-            type: "SpreadElement",
+            type: "RestElement",
             argument: {
               type: "ArrayPattern",
               elements: [
@@ -14195,7 +14195,7 @@ test("[...a, ] = b", {
           end: {line: 1, column: 8}
         },
         elements: [{
-          type: "SpreadElement",
+          type: "RestElement",
           loc: {
             start: {line: 1, column: 1},
             end: {line: 1, column: 5}