diff --git a/global_context.go b/global_context.go
index 5a3b162..cf5ed8f 100644
--- a/global_context.go
+++ b/global_context.go
@@ -12,10 +12,10 @@
 
 // providers is the set of supported providers.
 var providers = map[string]Provider{
-	"rackspace-us": Provider{
+	"rackspace-us": {
 		AuthEndpoint: "https://identity.api.rackspacecloud.com/v2.0/tokens",
 	},
-	"rackspace-uk": Provider{
+	"rackspace-uk": {
 		AuthEndpoint: "https://lon.identity.api.rackspacecloud.com/v2.0/tokens",
 	},
 }