diff --git a/browser/app/profile/extensions/testpilot@labs.mozilla.com/modules/experiment_data_store.js b/browser/app/profile/extensions/testpilot@labs.mozilla.com/modules/experiment_data_store.js
index 1af8683e3bd..02e92ad0c56 100644
--- a/browser/app/profile/extensions/testpilot@labs.mozilla.com/modules/experiment_data_store.js
+++ b/browser/app/profile/extensions/testpilot@labs.mozilla.com/modules/experiment_data_store.js
@@ -119,14 +119,11 @@ ExperimentDataStore.prototype = {
     for (i = 0; i < this._columns.length; i++) {
       let datum =  uiEvent[this._columns[i].property];
       switch (this._columns[i].type) {
-        case TYPE_INT_32:
-          insStmt.bindInt32Parameter(i, datum);
-        break;
-        case TYPE_DOUBLE:
-          insStmt.bindDoubleParameter(i, datum);
+        case TYPE_INT_32: case TYPE_DOUBLE:
+          insStmt.params[i] = datum;
         break;
         case TYPE_STRING:
-          insStmt.bindUTF8StringParameter(i, sanitizeString(datum));
+          insStmt.params[i] = sanitizeString(datum);
         break;
       }
     }