diff --git a/pbx/pbx_lua.c b/pbx/pbx_lua.c
index 3027ba6107..d273acedb4 100644
--- a/pbx/pbx_lua.c
+++ b/pbx/pbx_lua.c
@@ -793,6 +793,10 @@ static int lua_sort_extensions(lua_State *L)
 		int context_name = context - 1;
 		int context_order;
 
+		/* copy the context_name to be used as the key for the
+		 * context_order table in the extensions_order table later */
+		lua_pushvalue(L, context_name);
+
 		/* create the context_order table */
 		lua_newtable(L);
 		context_order = lua_gettop(L);