diff --git a/bank.lua b/bank.lua
index acf5953..6f6f4aa 100644
--- a/bank.lua
+++ b/bank.lua
@@ -245,9 +245,12 @@ elseif rawget(_G, 'money') then
             mod         = 'money2',
             user_exists = money.has_credit,
             getbal      = money.get,
-            setbal      = function(...)
-                money.set(...)
-                return true
+            setbal      = function(name, ...)
+                if money.has_credit(name) then
+                    money.set(name, ...)
+                    return true
+                end
+                return false
             end,
             pay         = function(from, to, amount)
                 local err = money.transfer(from, to, amount)
diff --git a/minibank.lua b/minibank.lua
index 43157ce..55bdde4 100644
--- a/minibank.lua
+++ b/minibank.lua
@@ -8,12 +8,21 @@ local storage = minetest.get_mod_storage()
 
 -- Use mod storage for getbal() and setbal().
 -- Store as strings because of weird bugs when using floats.
-local function getbal(name)
+local function rawgetbal(name)
     return tonumber(storage:get_string('minibank-' .. name))
 end
 
+local function getbal(name)
+    local lname = name:lower()
+    if lname ~= name and rawgetbal(name) ~= nil then
+        setbal(lname, rawgetbal(name))
+        storage:set_string(name, '')
+    end
+    return rawgetbal(lname)
+end
+
 local function setbal(name, balance)
-    storage:set_string('minibank-' .. name, tostring(balance))
+    storage:set_string('minibank-' .. name:lower(), tostring(balance))
 end
 
 -- Create an empty account for new players