diff --git a/fhem/www/images/openautomation/measure_battery_25.svg b/fhem/www/images/openautomation/measure_battery_25.svg
index 5f7d29205..307df15ac 100644
--- a/fhem/www/images/openautomation/measure_battery_25.svg
+++ b/fhem/www/images/openautomation/measure_battery_25.svg
@@ -46,7 +46,7 @@
 <g
    id="measure_x5F_battery_x5F_25"
    transform="matrix(1.6008149,0,0,1.6008149,-109.98896,-107.6324)"
-   style="fill:none;stroke:#000000;stroke-opacity:1">
+   style="fill:#000000;stroke:#000000;stroke-opacity:1">
 	<g
    id="g5"
    style="fill:none;stroke:#000000;stroke-opacity:1">
@@ -111,4 +111,4 @@
    transform="matrix(1.6008149,0,0,1.6008149,-109.98896,-107.6324)"
    style="fill:none;stroke:#000000;stroke-opacity:1">
 </g>
-</svg>
\ No newline at end of file
+</svg>