1 files changed, 1 insertions, 1 deletions
diff --git a/str.lisp b/str.lisp
index a8b2a7f..5116be4 100644
--- a/str.lisp
+++ b/str.lisp
@@ -1,6 +1,6 @@
 (in-package #:str)
 
-(declaim (optimize (speed 3) (safety 0)))
+(declaim (optimize (speed 3) (safety 1)))
 
 (declaim (ftype (function ((or pathname string)) (values string &optional)) read-file))
 (defun read-file (path)