diff --git a/src/canister.app.src b/src/canister.app.src
index 4004798..2a80e78 100644
--- a/src/canister.app.src
+++ b/src/canister.app.src
@@ -11,7 +11,9 @@
   {included_applications, [
     mnesia
   ]},
-  {env,[]},
+  {env,[
+    {mnesia_table_copies, disc}
+  ]},
   {modules, []},
 
   {licenses, ["MIT"]},
diff --git a/src/canister.erl b/src/canister.erl
index dd80b56..eaf25fe 100644
--- a/src/canister.erl
+++ b/src/canister.erl
@@ -45,8 +45,12 @@ init_tables() ->
     init_table(canister_times, record_info(fields, canister_times)).
 
 init_table(Table, Fields) ->
+    MnesiaCopies = case application:get_env(canister, mnesia_table_copies, disc) of
+        disc -> disc_copies;
+        ram -> ram_copies
+    end,
     Res = mnesia:create_table(Table, [
-        {disc_copies, [node()]},
+        {MnesiaCopies, [node()]},
         {attributes, Fields}
     ]),
     canister_log:info("Initializing Table: ~p: ~p",[Table, Res]),