diff --git a/EssentialsGroupManager/src/Changelog.txt b/EssentialsGroupManager/src/Changelog.txt
index dae50fd15..f3bc35baa 100644
--- a/EssentialsGroupManager/src/Changelog.txt
+++ b/EssentialsGroupManager/src/Changelog.txt
@@ -34,10 +34,10 @@ v 1.3:
 	  (for all worlds named in config.yml)
 	- Attempt to stop GM wiping groups/users yml's on a bad shut down.
 	- Added event handling to manage new world creation at runtime.
-	- Added the ability to handle unknown worlds at server start.
-	  (GM will create the data files for any worlds it finds which are not in the config.yml)
+	- Added the ability to handle unknown worlds at server start.
+	  (GM will create the data files for any worlds it finds which are not in the config.yml)
 	- Fix for Bukkit passing a null To location on a player Portaling
-	- Fixed manudelsub not correctly selecting the group to remove.
+	- Fixed manudelsub not correctly selecting the group to remove.
 	- Added two new permission nodes - groupmanager.notify.self & groupmanager.notify.other
 	  These allow players/admins to be notified when players are moved between groups.
 v 1.4:
@@ -211,4 +211,5 @@ v 2.0:
 	- Negate 'groupmanager.noofflineperms' by default in the owner group.
 	- Add support for BukkitForge using 'overworld' as the main world name.
 	- Prevent '*' permissions granting the 'groupmanager.noofflineperms' permission.
-	- Added '/mancheckw <world>' to inspect which permission files a world is referencing.
\ No newline at end of file
+	- Added '/mancheckw <world>' to inspect which permission files a world is referencing.
+	- Add config potion to set if GM commands should be allowed on CommnandBlocks.
diff --git a/EssentialsGroupManager/src/config.yml b/EssentialsGroupManager/src/config.yml
index cc90bea6f..479399bb6 100644
--- a/EssentialsGroupManager/src/config.yml
+++ b/EssentialsGroupManager/src/config.yml
@@ -7,6 +7,10 @@ settings:
     # Default setting for 'mantoglevalidate'
     # true will cause GroupManager to attempt name matching by default.
     validate_toggle: true
+    # **********************************************************************************************************************************
+    # *** NOTE: Having this feature enabled, improper use of commandblocks will lead to undesireable permission changes, be alarmed! ***
+    # **********************************************************************************************************************************
+    allow_commandblocks: false
     
   data:
     save:
@@ -39,4 +43,4 @@ settings:
     #    world4:
     #    - groups   (World4 would use the groups.yml from world2, but it's own users.yml)
     #  world5:
-    #    - world6   (this would cause world6 to mirror both files from world5)
\ No newline at end of file
+    #    - world6   (this would cause world6 to mirror both files from world5)
diff --git a/EssentialsGroupManager/src/org/anjocaido/groupmanager/GMConfiguration.java b/EssentialsGroupManager/src/org/anjocaido/groupmanager/GMConfiguration.java
index 4fcd0a554..e5a24258e 100644
--- a/EssentialsGroupManager/src/org/anjocaido/groupmanager/GMConfiguration.java
+++ b/EssentialsGroupManager/src/org/anjocaido/groupmanager/GMConfiguration.java
@@ -22,6 +22,7 @@ import org.yaml.snakeyaml.reader.UnicodeReader;
  */
 public class GMConfiguration {
 	
+	private boolean allowCommandBlocks = false;
 	private boolean opOverride = true;
 	private boolean toggleValidate = true;
 	private Integer saveInterval = 10;
@@ -40,6 +41,7 @@ public class GMConfiguration {
 		/*
 		 * Set defaults
 		 */
+		allowCommandBlocks = false;
 		opOverride = true;
 		toggleValidate = true;
 		saveInterval = 10;
@@ -83,6 +85,7 @@ public class GMConfiguration {
 		try {
 			Map<String, Object> config = getElement("config", getElement("settings", GMconfig));
 
+			allowCommandBlocks = (Boolean) config.get("allow_commandblocks");
 			opOverride = (Boolean) config.get("opOverrides");
 			toggleValidate = (Boolean) config.get("validate_toggle");
 
@@ -142,6 +145,10 @@ public class GMConfiguration {
 		return (Map<String, Object>) map.get(element);
 		
 	}
+	public boolean isAllowCommandBlocks() {
+
+		return allowCommandBlocks;
+	}
 
 	public boolean isOpOverride() {
 
@@ -183,4 +190,4 @@ public class GMConfiguration {
 
 	}
 
-}
\ No newline at end of file
+}
diff --git a/EssentialsGroupManager/src/org/anjocaido/groupmanager/GroupManager.java b/EssentialsGroupManager/src/org/anjocaido/groupmanager/GroupManager.java
index 050bd9995..4a9b65317 100644
--- a/EssentialsGroupManager/src/org/anjocaido/groupmanager/GroupManager.java
+++ b/EssentialsGroupManager/src/org/anjocaido/groupmanager/GroupManager.java
@@ -387,10 +387,12 @@ public class GroupManager extends JavaPlugin {
 		Group senderGroup = null;
 		User senderUser = null;
 		boolean isOpOverride = config.isOpOverride();
+		boolean isAllowCommandBlocks = config.isAllowCommandBlocks();
 		
 		// PREVENT GM COMMANDS BEING USED ON COMMANDBLOCKS
-		if (sender instanceof BlockCommandSender) {
-			sender.sendMessage(ChatColor.RED + "GM Commands can not be called from CommandBlocks");
+		if (sender instanceof BlockCommandSender && !isAllowCommandBlocks) {
+			Block block = ((BlockCommandSender)sender).getBlock();
+			console.sendMessage(ChatColor.RED + "GM Commands can not be called from CommandBlock at location:" + ChatColor.GREEN + " " + block.getX + ", " + block.getY + ", " + block.getZ);
 		  	return true;
 		}
 
@@ -399,7 +401,7 @@ public class GroupManager extends JavaPlugin {
 			senderPlayer = (Player) sender;
 
 			if (!lastError.isEmpty() && !commandLabel.equalsIgnoreCase("manload")) {
-				sender.sendMessage(ChatColor.RED + "All commands are locked due to an error. " + ChatColor.BOLD + "" + ChatColor.UNDERLINE + "Check the log" + ChatColor.RESET + "" + ChatColor.RED + " and then try a '/manload'.");
+				GroupManager.logger.warning(ChatColor.RED + "All commands are locked due to an error. " + ChatColor.BOLD + "" + ChatColor.UNDERLINE + "Check the log" + ChatColor.RESET + "" + ChatColor.RED + " and then try a '/manload'.");
 				return true;
 			}