diff --git a/src/standard/effectBuilder.html b/src/standard/effectBuilder.html
index d8cb0e1487..4048a0ca57 100644
--- a/src/standard/effectBuilder.html
+++ b/src/standard/effectBuilder.html
@@ -211,6 +211,9 @@
       };
       // detect literal value (must be String or Number)
       var fc = arg[0];
+      if (fc === '-') {
+        fc = arg[1];
+      }
       if (fc >= '0' && fc <= '9') {
         fc = '#';
       }
@@ -221,7 +224,6 @@
           a.literal = true;
           break;
         case '#':
-        case '-':
           a.value = Number(arg);
           a.literal = true;
           break;
diff --git a/test/unit/bind-elements.html b/test/unit/bind-elements.html
index 388320a6e2..250feae712 100644
--- a/test/unit/bind-elements.html
+++ b/test/unit/bind-elements.html
@@ -12,6 +12,7 @@
       computedattribute$="{{computeInline(value, add,divide)}}"
       neg-computed-inline="{{!computeInline(value,add,divide)}}"
       computed-negative-number="{{computeNegativeNumber(-1)}}"
+      computed-negative-literal="{{computeNegativeNumber(-A)}}"
       style$="{{boundStyle}}"
       data-id$="{{dataSetId}}"
       custom-event-value="{{customEventValue::custom}}"
diff --git a/test/unit/bind.html b/test/unit/bind.html
index e37478f3bb..3a003841f4 100644
--- a/test/unit/bind.html
+++ b/test/unit/bind.html
@@ -266,6 +266,10 @@
     assert.equal(el.$.boundChild.computedNegativeNumber, -1);
   });
 
+  test('computed property with negative literal', function() {
+    assert.equal(el.$.boundChild.computedNegativeLiteral, undefined);
+  });
+
 });
 
 </script>