diff --git a/packages/bigtable/system-test/bigtable.js b/packages/bigtable/system-test/bigtable.js
index 26ab059cd91..68d4e579cda 100644
--- a/packages/bigtable/system-test/bigtable.js
+++ b/packages/bigtable/system-test/bigtable.js
@@ -70,7 +70,7 @@ describe('Bigtable', function() {
       }
 
       var testInstances = instances.filter(function(instance) {
-        return instance.id.indexOf(PREFIX) === 0;
+        return instance.id.match(PREFIX);
       });
 
       async.eachLimit(testInstances, 5, function(instance, next) {
@@ -927,4 +927,4 @@ describe('Bigtable', function() {
 
 function generateName(resourceType) {
   return PREFIX + resourceType + '-' + uuid.v1().substr(0, 8);
-}
\ No newline at end of file
+}