diff --git a/src/js/server.js b/src/js/server.js
index 5529323..0bb48d6 100644
--- a/src/js/server.js
+++ b/src/js/server.js
@@ -1833,7 +1833,7 @@ if (!port) {
             baud = nbaud;
         }
         if (nmode) {
-            mode = nmode;
+            mode = status.device.mode = nmode;
         }
         startup();
     });
diff --git a/src/marlin/2.0.x/Configuration.h b/src/marlin/2.0.x/Configuration.h
index d5b5bc0..245a026 100644
--- a/src/marlin/2.0.x/Configuration.h
+++ b/src/marlin/2.0.x/Configuration.h
@@ -444,12 +444,12 @@
 // Above this temperature the heater will be switched off.
 // This can protect components from overheating, but NOT from shorts and failures.
 // (Use MINTEMP for thermistor short/failure protection.)
-#define HEATER_0_MAXTEMP 275
-#define HEATER_1_MAXTEMP 275
-#define HEATER_2_MAXTEMP 275
-#define HEATER_3_MAXTEMP 275
-#define HEATER_4_MAXTEMP 275
-#define HEATER_5_MAXTEMP 275
+#define HEATER_0_MAXTEMP 280
+#define HEATER_1_MAXTEMP 280
+#define HEATER_2_MAXTEMP 280
+#define HEATER_3_MAXTEMP 280
+#define HEATER_4_MAXTEMP 280
+#define HEATER_5_MAXTEMP 280
 #define BED_MAXTEMP      100
 
 //===========================================================================
diff --git a/src/web/index.js b/src/web/index.js
index 3e7082a..d19c7b5 100644
--- a/src/web/index.js
+++ b/src/web/index.js
@@ -89,7 +89,7 @@ function shutdown() {
 }
 
 function runbox() {
-    if (selected && selected.ext === 'g') {
+    if (selected && ["n","g"].indexOf(selected.ext) >= 0) {
         if (confirm(`run boundary for "${selected.file}" @ ${jog_speed} mm/m`)) {
             send(`*runbox ${selected.file} @ ${jog_speed}`);
         }