diff --git a/spitfire/upload.go b/spitfire/upload.go
index 26505b3..d3b0ec1 100644
--- a/spitfire/upload.go
+++ b/spitfire/upload.go
@@ -35,6 +35,8 @@ func LoadConfig() (*Config, error) {
 		return nil, err
 	}
 
+	config.SFKeyPath = filepath.FromSlash(config.SFKeyPath)
+
 	return config, nil
 }