diff --git a/clienv/clienv.go b/clienv/clienv.go
index 31593f18d..627ef82a9 100644
--- a/clienv/clienv.go
+++ b/clienv/clienv.go
@@ -11,7 +11,7 @@ import (
 )
 
 func sanitizeName(name string) string {
-	re := regexp.MustCompile(`[^a-z0-9_-]`)
+	re := regexp.MustCompile(`[^a-zA-Z0-9_-]`)
 	return strings.ToLower(re.ReplaceAllString(name, ""))
 }