diff --git a/src/freedombone-installer b/src/freedombone-installer
index bf5eee8cf1f7e4d5c0e26995706765e96e991569..6a018ccc9cd47258bc85d45160045a47d6268d87 100755
--- a/src/freedombone-installer
+++ b/src/freedombone-installer
@@ -1417,7 +1417,7 @@ function update_system_monitor {
 
             sed -i "s|<div name=\"memory\" class=\"w3-container.*|<div name=\"memory\" class=\"w3-container w3-blue w3-round-xlarge\" style=\"width:${used_memory_percent}%\">${used_memory_percent}%</div>|g" "$webadmin_install_dir/system_monitor.html"
 
-            sed -i "s|<div name=\"cputemp\" class=\"w3-container.*|<div name=\"cputemp\" class=\"w3-container w3-blue w3-round-xlarge\" style=\"width:${cpu_temperature}%\">${cpu_temperature}°C</div>|g" "$webadmin_install_dir/system_monitor.html"
+            sed -i "s|<div name=\"cputemp\" class=\"w3-container.*|<div name=\"cputemp\" class=\"w3-container w3-blue w3-round-xlarge\" style=\"width:${cpu_temperature}%\">${cpu_temperature}C</div>|g" "$webadmin_install_dir/system_monitor.html"
 
             chown www-data:www-data "$webadmin_install_dir/system_monitor.html"
         fi
diff --git a/src/freedombone-utils-webadmin b/src/freedombone-utils-webadmin
index ae9725feba55247c24b6251d5e36e1a8236ee86d..e674c0031a3e2ff294843ccd510206be17b4529c 100755
--- a/src/freedombone-utils-webadmin
+++ b/src/freedombone-utils-webadmin
@@ -722,7 +722,7 @@ function webadmin_update_system_monitor {
 
         sed -i "s|<div name=\"memory\" class=\"w3-container.*|<div name=\"memory\" class=\"w3-container w3-blue w3-round-xlarge\" style=\"width:${used_memory_percent}%\">${used_memory_percent}%</div>|g" "$webadmin_install_dir/system_monitor.html"
 
-        sed -i "s|<div name=\"cputemp\" class=\"w3-container.*|<div name=\"cputemp\" class=\"w3-container w3-blue w3-round-xlarge\" style=\"width:${cpu_temperature}%\">${cpu_temperature}°C</div>|g" "$webadmin_install_dir/system_monitor.html"
+        sed -i "s|<div name=\"cputemp\" class=\"w3-container.*|<div name=\"cputemp\" class=\"w3-container w3-blue w3-round-xlarge\" style=\"width:${cpu_temperature}%\">${cpu_temperature}C</div>|g" "$webadmin_install_dir/system_monitor.html"
 
         chown www-data:www-data "$webadmin_install_dir/system_monitor.html"
     fi