diff --git a/src/actions/towns.php b/src/actions/towns.php
index 9e80384..960f9d4 100644
--- a/src/actions/towns.php
+++ b/src/actions/towns.php
@@ -214,9 +214,9 @@ function buy(int $id)
 				$toChange = $special[0];
 				$changeAmount = $index === 0 ? $special[1] : -$special[1];
 
-				user()[$toChange] += $changeAmount;
+				user()->$toChange += $changeAmount;
 				$specialFields[] = "$toChange = ?";
-				$specialValues[] = user()[$toChange];
+				$specialValues[] = user()->$toChange;
 
 				// Adjust attack or defense power
 				if ($toChange == "strength" || $toChange == "dexterity") {