diff --git a/src/manager.h b/src/manager.h
index 5296c47c983c169fee1892e3c581efded5c571ee..e0417d751e3961a249949a52e3574faf3aaf8cc4 100644
--- a/src/manager.h
+++ b/src/manager.h
@@ -838,7 +838,7 @@ public:
     }
 
     template<class T = Account>
-    bool accountCount() const
+    std::size_t accountCount() const
     {
         return accountFactory.accountCount<T>();
     }