diff --git a/web/display/minimal/gaugevalues.php b/web/display/minimal/gaugevalues.php
deleted file mode 100644
index 96de49fb07..0000000000
--- a/web/display/minimal/gaugevalues.php
+++ /dev/null
@@ -1,19 +0,0 @@
-<?php
-
-$result = '';
-$lines = file($_SERVER['DOCUMENT_ROOT'].'/openWB/openwb.conf');
-foreach($lines as $line) {
-	if(strpos($line, "displaylp1max=") !== false) {
-		list(, $displaylp1maxold) = explode("=", $line);
-	}
-	if(strpos($line, "displaylp2max=") !== false) {
-		list(, $displaylp2maxold) = explode("=", $line);
-	}
-	if(strpos($line, "rfidakt=") !== false) {
-		list(, $rfidaktold) = explode("=", $line);
-	}
-	if(strpos($line, "lastmanagement=") !== false) {
-		list(, $lastmanagementold) = explode("=", $line);
-	}
-}
-?>
diff --git a/web/display/minimal/index.php b/web/display/minimal/index.php
index c6eec14947..0fdd3b47c0 100644
--- a/web/display/minimal/index.php
+++ b/web/display/minimal/index.php
@@ -39,13 +39,20 @@
 	<body>
 
 		<!-- minimal.html -->
-		<?php include("gaugevalues.php"); ?>
+		<?php
+			$lines = file($_SERVER['DOCUMENT_ROOT'] . '/openWB/openwb.conf');
+			foreach($lines as $line) {
+				list($key, $value) = explode("=", $line, 2);
+				${$key."old"} = trim( $value, " '\t\n\r\0\x0B" ); // remove all garbage and single quotes
+			}
+		?>
+
 		<script src="display/minimal/gauge.js?ver=20230106"></script>
 		<link rel="stylesheet" href="display/minimal/minimal.css?ver=20220510">
 
 		<div id="main">
 			<!-- <div id="800x480_Frame" style="position: absolute; top: 0px; left: 0px; height: 480px; width: 800px; border:1px solid white;"> </div> -->
-			<?php if ($lastmanagementold == "1\n") { ?>
+			<?php if ($lastmanagementold == "1") { ?>
 				<div id="gaugedivlp1" style="position: absolute; top: 10px; left: 10px; height: 460px; width: 380px;">
 					<canvas id="lp1" style="height: 400px; top: 30px; left: 0px; position: absolute; width: 740px;"></canvas>
 					<canvas id="lp1s" style="height: 400px; top: 30px; left: 0px; position: absolute; width: 740px;"></canvas>
