diff --git a/internal/configuration/sources/secrets/helpers.go b/internal/configuration/sources/secrets/helpers.go
index 5c7d6799..7ffa8835 100644
--- a/internal/configuration/sources/secrets/helpers.go
+++ b/internal/configuration/sources/secrets/helpers.go
@@ -10,7 +10,7 @@ import (
 
 func readSecretFileAsStringPtr(secretPathEnvKey, defaultSecretPath string) (
 	stringPtr *string, err error) {
-	path := env.String(secretPathEnvKey)
+	path := env.String(secretPathEnvKey, env.ForceLowercase(false))
 	if path == "" {
 		path = defaultSecretPath
 	}