diff --git a/lib/nodes.js b/lib/nodes.js
index 65cc16fd..f3399974 100644
--- a/lib/nodes.js
+++ b/lib/nodes.js
@@ -597,7 +597,7 @@
       return "" + vars + "; " + (idx) + " " + op + " " + (this.toVar.compile(o)) + "; " + idx + " += " + step;
     };
     RangeNode.prototype.compileArray = function(o) {
-      var body, clause, equals, from, idt, post, pre, to, vars;
+      var body, clause, equals, from, i, idt, post, pre, result, to, vars;
       idt = this.idt(1);
       vars = this.compileVariables(merge(o, {
         indent: idt
@@ -605,11 +605,13 @@
       equals = this.exclusive ? '' : '=';
       from = this.fromVar.compile(o);
       to = this.toVar.compile(o);
+      result = o.scope.freeVariable();
+      i = o.scope.freeVariable();
       clause = ("" + from + " <= " + to + " ?");
-      pre = ("\n" + (idt) + "a = [];" + (vars));
-      body = ("var i = " + from + "; (" + clause + " i <" + equals + " " + to + " : i >" + equals + " " + to + "); (" + clause + " i += 1 : i -= 1)");
-      post = ("a.push(i);\n" + (idt) + "return a;\n" + o.indent);
-      return "(function(){" + (pre) + "for (" + body + ") " + post + "}).call(this)";
+      pre = ("\n" + (idt) + (result) + " = [];" + (vars));
+      body = ("var " + i + " = " + from + "; " + clause + " " + i + " <" + equals + " " + to + " : " + i + " >" + equals + " " + to + "; " + clause + " " + i + " += 1 : " + i + " -= 1");
+      post = ("{ " + (result) + ".push(" + i + ") };\n" + (idt) + "return " + result + ";\n" + o.indent);
+      return "(function(){" + (pre) + ";\n" + (idt) + "for (" + body + ")" + post + "}).call(this)";
     };
     return RangeNode;
   })();
diff --git a/src/nodes.coffee b/src/nodes.coffee
index a6a8f1ff..045a1daa 100644
--- a/src/nodes.coffee
+++ b/src/nodes.coffee
@@ -525,11 +525,13 @@ exports.RangeNode: class RangeNode extends BaseNode
     equals: if @exclusive then '' else '='
     from:   @fromVar.compile o
     to:     @toVar.compile o
+    result: o.scope.freeVariable()
+    i:      o.scope.freeVariable()
     clause: "$from <= $to ?"
-    pre:    "\n${idt}a = [];${vars}"
-    body:   "var i = $from; ($clause i <$equals $to : i >$equals $to); ($clause i += 1 : i -= 1)"
-    post:   "a.push(i);\n${idt}return a;\n$o.indent"
-    "(function(){${pre}for ($body) $post}).call(this)"
+    pre:    "\n${idt}${result} = [];${vars}"
+    body:   "var $i = $from; $clause $i <$equals $to : $i >$equals $to; $clause $i += 1 : $i -= 1"
+    post:   "{ ${result}.push($i) };\n${idt}return $result;\n$o.indent"
+    "(function(){${pre};\n${idt}for ($body)$post}).call(this)"
 
 #### SliceNode
 
diff --git a/test/test_ranges_slices_and_splices.coffee b/test/test_ranges_slices_and_splices.coffee
index 71d19cde..7b74c1c7 100644
--- a/test/test_ranges_slices_and_splices.coffee
+++ b/test/test_ranges_slices_and_splices.coffee
@@ -12,10 +12,19 @@ a: [0, 1, 2, 3, 4, 5, 6, 7]
 deepEqual a[2...6], [2, 3, 4, 5]
 
 
-# Range.
+# Ranges.
 countdown: [10..1].join(' ')
 ok countdown is "10 9 8 7 6 5 4 3 2 1"
 
+a: 1
+b: 5
+nums: [a...b]
+ok nums.join(' ') is '1 2 3 4'
+
+b: -5
+nums: [a..b]
+ok nums.join(' ') is '1 0 -1 -2 -3 -4 -5'
+
 
 # Expression-based range.
 array: [(1+5)..1+9]