diff --git a/setup.php b/setup.php
index bab278f..9c0562c 100644
--- a/setup.php
+++ b/setup.php
@@ -113,7 +113,7 @@ function plugin_weathermap_upgrade() {
 
 	$current = plugin_weathermap_version();
 	$current = $current['version'];
-	$old     = db_fetch_row("SELECT * FROM plugin_config WHERE directory='weathermap'");
+	$old     = db_fetch_cell("SELECT version FROM plugin_config WHERE directory='weathermap'");
 
 	if ($current != $old) {
 		db_execute_prepared('UPDATE plugin_realms