diff --git a/src/main/java/us/camin/regions/RegionCommand.java b/src/main/java/us/camin/regions/RegionCommand.java
index c20c22b..2250d1f 100644
--- a/src/main/java/us/camin/regions/RegionCommand.java
+++ b/src/main/java/us/camin/regions/RegionCommand.java
@@ -77,8 +77,12 @@ public class RegionCommand implements CommandExecutor {
             p.sendMessage("City region set to "+r.name());
         } else if (subCommand.equals("regen") && p.hasPermission("regions.create")) {
             Region r = m_plugin.regionManager().nearestRegion(p.getLocation());
-            m_plugin.regenRegionPost(r);
-            p.sendMessage("Region post regenerated.");
+            if (r == null) {
+                p.sendMessage("There are no regions in this world.");
+            } else {
+                m_plugin.regenRegionPost(r);
+                p.sendMessage("Region post regenerated.");
+            }
         } else {
             p.sendMessage("Unknown operation. Options are create, remove, city.");
         }