1 files changed, 4 insertions, 0 deletions
diff --git a/util/sasl.lua b/util/sasl.lua
index 6b14c1b1..36f43ec2 100644
--- a/util/sasl.lua
+++ b/util/sasl.lua
@@ -102,6 +102,10 @@ end
 
 -- select a mechanism to use
 function method:select(mechanism)
+	if self.mech_i then
+		return false;
+	end
+	
 	self.mech_i = mechanisms[mechanism]
 	if self.mech_i == nil then 
 		return false;