diff --git a/common/messages/ipc.go b/common/messages/ipc.go
index 13e096f..3250742 100644
--- a/common/messages/ipc.go
+++ b/common/messages/ipc.go
@@ -12,6 +12,7 @@ type Arg struct {
 var (
 	ErrBadRequest = errors.New("bad request")
 	ErrInternal   = errors.New("internal error")
+	ErrExtraInfo  = errors.New("client sent extra info")
 
 	StrTimedOut  = "timed out waiting for answer!"
 	StrNoProxies = "no snowflake proxies currently available"
diff --git a/common/messages/proxy.go b/common/messages/proxy.go
index aa55c22..41af4bf 100644
--- a/common/messages/proxy.go
+++ b/common/messages/proxy.go
@@ -24,8 +24,6 @@ var KnownProxyTypes = map[string]bool{
 	"iptproxy":   true,
 }
 
-var ErrExtraInfo = errors.New("client sent extra info")
-
 /* Version 1.2 specification:
 
 == ProxyPollRequest ==