diff --git a/utils/setup.php b/utils/setup.php
index 3fad6fe8..14fe675e 100755
--- a/utils/setup.php
+++ b/utils/setup.php
@@ -78,11 +78,13 @@
 	}
 
 	// Assume we can steal all the cache memory in the box (unless told otherwise)
-	$iCacheMemory = (isset($aCMDResult['osm2pgsql-cache'])?$aCMDResult['osm2pgsql-cache']:getCacheMemoryMB());
-	if ($iCacheMemory > getTotalMemoryMB())
+	if (isset($aCMDResult['osm2pgsql-cache']))
+	{
+		$iCacheMemory = $aCMDResult['osm2pgsql-cache'];
+	}
+	else
 	{
 		$iCacheMemory = getCacheMemoryMB();
-		echo "WARNING: resetting cache memory to $iCacheMemory\n";
 	}
 
 	$aDSNInfo = DB::parseDSN(CONST_Database_DSN);