diff --git a/lib/resty/coraza.lua b/lib/resty/coraza.lua
index 199d6fd..1e60f5c 100644
--- a/lib/resty/coraza.lua
+++ b/lib/resty/coraza.lua
@@ -22,11 +22,11 @@ function _M.do_init()
 end
 
 function _M.rules_add_file(file)
-    coraza.rules_add_file(_M.waf, file)
+    return coraza.rules_add_file(_M.waf, file)
 end
 
 function _M.rules_add(directives)
-    coraza.rules_add(_M.waf, directives)
+    return coraza.rules_add(_M.waf, directives)
 end
 
 function _M.do_access_filter()
diff --git a/lib/resty/coraza/coraza.lua b/lib/resty/coraza/coraza.lua
index cd4b774..cacf3b0 100644
--- a/lib/resty/coraza/coraza.lua
+++ b/lib/resty/coraza/coraza.lua
@@ -113,7 +113,9 @@ function _M.rules_add_file(waf, conf_file)
     -- extern int coraza_rules_add_file(coraza_waf_t w, char* file, char** er);
     local code = coraza.coraza_rules_add_file(waf, cast_to_c_char(conf_file), err_Ptr)
     if code == 0 then
-        nlog(err_fmt(ffi.string(err_Ptr[0])))
+        local err_log = ffi.string(err_Ptr[0])
+        nlog(err_fmt(err_log))
+        return false, err_log
     else
         nlog(debug_fmt("Success to load rule file with %s", conf_file))
     end
@@ -123,7 +125,9 @@ function _M.rules_add(waf, rule)
     -- extern int coraza_rules_add(coraza_waf_t w, char* directives, char** er);
     local code = coraza.coraza_rules_add(waf, cast_to_c_char(rule), err_Ptr)
     if code == 0 then
-        nlog(err_fmt(ffi.string(err_Ptr[0])))
+        local err_log = ffi.string(err_Ptr[0])
+        nlog(err_fmt(err_log))
+        return false, err_log
     else
         nlog(debug_fmt("Success to load rule with %s", rule))
     end