From d7fa3ba7185fc01b61b3fb1ca3ac5bb26c358efa Mon Sep 17 00:00:00 2001
From: Axel Kohlmeyer <akohlmey@gmail.com>
Date: Thu, 21 Jul 2016 09:50:37 -0400
Subject: [PATCH] correct test for input value

---
 lib/colvars/colvarbias_alb.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/colvars/colvarbias_alb.cpp b/lib/colvars/colvarbias_alb.cpp
index e6865ae15b..8c8956082e 100644
--- a/lib/colvars/colvarbias_alb.cpp
+++ b/lib/colvars/colvarbias_alb.cpp
@@ -81,7 +81,7 @@ int colvarbias_alb::init(std::string const &conf)
   //we split the time between updating and equilibrating
   update_freq /= 2;
 
-  if (update_freq == 0)
+  if (update_freq <= 1)
     cvm::fatal_error("Error: must set updateFrequency to greater than 2.\n");
 
   enable(f_cvb_history_dependent);