diff --git a/config.go b/config.go
index 6596ad6..87c6d1f 100644
--- a/config.go
+++ b/config.go
@@ -12,6 +12,6 @@ func readConfig() config {
 	return config{
 		HostName:   os.Getenv("INPUT_HOST"),
 		AppName:    os.Getenv("INPUT_APP"),
-		PrivateKey: os.Getenv("INPUT_PRIVATE_KEY"),
+		PrivateKey: os.Getenv("INPUT_PRIVATE-KEY"),
 	}
 }