diff --git a/dashboard/coordinator/main.go b/dashboard/coordinator/main.go
index 2a3803db..b828dc0f 100644
--- a/dashboard/coordinator/main.go
+++ b/dashboard/coordinator/main.go
@@ -52,7 +52,7 @@ type imageInfo struct {
 
 var images = map[string]*imageInfo{
 	"gobuilders/linux-x86-base":  {url: "https://storage.googleapis.com/go-builder-data/docker-linux.base.tar.gz"},
-	"gobuilders/linux-x86-clang": {url: "http://storage.googleapis.com/go-builder-data/docker-linux.clang.tar.gz"},
+	"gobuilders/linux-x86-clang": {url: "https://storage.googleapis.com/go-builder-data/docker-linux.clang.tar.gz"},
 	"gobuilders/linux-x86-gccgo": {url: "https://storage.googleapis.com/go-builder-data/docker-linux.gccgo.tar.gz"},
 	"gobuilders/linux-x86-nacl":  {url: "https://storage.googleapis.com/go-builder-data/docker-linux.nacl.tar.gz"},
 	"gobuilders/linux-x86-sid":   {url: "https://storage.googleapis.com/go-builder-data/docker-linux.sid.tar.gz"},