diff --git a/src/backend.c b/src/backend.c
index a7548c95a..51d5a17cf 100644
--- a/src/backend.c
+++ b/src/backend.c
@@ -14557,7 +14557,9 @@ int backend_session_begin (hashcat_ctx_t *hashcat_ctx)
 
     if (user_options->slow_candidates == true)
     {
-      accel_limit /= 4;
+      // Tested with NTLM, almost no difference in performance
+
+      accel_limit /= 8;
     }
 
     // this is device_processors * kernel_threads