diff --git a/cmd/coordinator/remote.go b/cmd/coordinator/remote.go
index d134d44..effa66c 100644
--- a/cmd/coordinator/remote.go
+++ b/cmd/coordinator/remote.go
@@ -200,13 +200,14 @@
 			st := sched.waiterState(si)
 			sendJSONLine(msg{Status: &st})
 		case bc := <-resc:
+			now := timeNow()
 			rb := &remoteBuildlet{
 				User:        user,
 				BuilderType: builderType,
 				HostType:    bconf.HostType,
 				buildlet:    bc,
-				Created:     timeNow(),
-				Expires:     timeNow().Add(remoteBuildletIdleTimeout),
+				Created:     now,
+				Expires:     now.Add(remoteBuildletIdleTimeout),
 			}
 			rb.Name = addRemoteBuildlet(rb)
 			bc.SetName(rb.Name)
diff --git a/cmd/coordinator/remote_test.go b/cmd/coordinator/remote_test.go
index b4264f6..13236cd 100644
--- a/cmd/coordinator/remote_test.go
+++ b/cmd/coordinator/remote_test.go
@@ -129,7 +129,7 @@
 		removeBuilder(buildName)
 		testPoolHook = nil
 	}()
-	timeNow = func() time.Time { return time.Unix(123, 0) }
+	timeNow = func() time.Time { return time.Unix(123, 0).In(time.UTC) }
 	data := url.Values{}
 	data.Set("version", "20160922")
 	data.Set("builderType", buildName)
@@ -158,7 +158,7 @@
 		removeBuilder(buildName)
 		testPoolHook = nil
 	}()
-	timeNow = func() time.Time { return time.Unix(123, 0) }
+	timeNow = func() time.Time { return time.Unix(123, 0).In(time.UTC) }
 	data := url.Values{}
 	data.Set("version", buildlet.GomoteCreateStreamVersion)
 	data.Set("builderType", buildName)