diff --git a/ngcp/dlgcnt.lua b/ngcp/dlgcnt.lua
index 73aa1a6..03beeb0 100644
--- a/ngcp/dlgcnt.lua
+++ b/ngcp/dlgcnt.lua
@@ -130,7 +130,7 @@ end
         if not self._test_connection(self.pair) then
             self.pair = self._connect(self.config.pair);
         end
-        local num = self.pair:lrem(callid, 0, key);
+        local num = self.pair:lrem(callid, 1, key);
         sr.log("dbg", string.format("pair:lrem[%s]=>[%s] %d\n", callid, key, num));
         if not self._test_connection(self.central) then
             self.central = self._connect(self.config.central);