diff --git a/luascripts/wolfadmin/auth/acl.lua b/luascripts/wolfadmin/auth/acl.lua
index 8bde24c..e6722a2 100644
--- a/luascripts/wolfadmin/auth/acl.lua
+++ b/luascripts/wolfadmin/auth/acl.lua
@@ -126,7 +126,7 @@ end
 function acl.copyLevelPermissions(levelId, newLevelId)
     db.copyLevelPermissions(levelId, newLevelId)
 
-    cachedLevels[newLevelId] = tables.copy(cachedLevels[levelId])
+    cachedLevels[newLevelId] = tables.merge(cachedLevels[newLevelId], cachedLevels[levelId])
 end
 
 function acl.removeLevelPermissions(levelId)
diff --git a/luascripts/wolfadmin/util/tables.lua b/luascripts/wolfadmin/util/tables.lua
index 6180d88..fba33b2 100644
--- a/luascripts/wolfadmin/util/tables.lua
+++ b/luascripts/wolfadmin/util/tables.lua
@@ -19,8 +19,19 @@ local util = wolfa_requireModule("util.util")
 
 local tables = {}
 
+function tables.merge(tbl1, tbl2)
+    util.typecheck("tables.merge", {tbl1}, {"table"})
+    util.typecheck("tables.merge", {tbl2}, {"table"})
+
+    for key, value in pairs(tbl2) do
+        tbl1[key] = value
+    end
+
+    return tbl1
+end
+
 function tables.copy(tbl)
-    util.typecheck("tables.contains", {tbl}, {"table"})
+    util.typecheck("tables.copy", {tbl}, {"table"})
 
     local copy = {}