1 files changed, 5 insertions, 1 deletions
diff --git a/src/account.cc b/src/account.cc
index 23761049..2a75a6ac 100644
--- a/src/account.cc
+++ b/src/account.cc
@@ -241,8 +241,12 @@ namespace {
   }
 }
 
-expr_t::ptr_op_t account_t::lookup(const string& name)
+expr_t::ptr_op_t account_t::lookup(const symbol_t::kind_t kind,
+				   const string& name)
 {
+  if (kind != symbol_t::FUNCTION)
+    return NULL;
+
   switch (name[0]) {
   case 'a':
     if (name == "amount")