diff --git a/ssl/ssl_lib.c b/ssl/ssl_lib.c
index dd83f373b2..a252761ca4 100644
--- a/ssl/ssl_lib.c
+++ b/ssl/ssl_lib.c
@@ -2072,7 +2072,8 @@ ossl_ssize_t SSL_sendfile(SSL *s, int fd, off_t offset, size_t size, int flags)
     }
 
 #ifdef OPENSSL_NO_KTLS
-    ERR_raise_data(ERR_LIB_SYS, ERR_R_INTERNAL_ERROR, "calling sendfile()");
+    ERR_raise_data(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR,
+                   "can't call ktls_sendfile(), ktls disabled");
     return -1;
 #else
     ret = ktls_sendfile(SSL_get_wfd(s), fd, offset, size, flags);