diff --git a/HotWaterManager.ino b/HotWaterManager.ino
index 1fd8e7c..a7b234e 100644
--- a/HotWaterManager.ino
+++ b/HotWaterManager.ino
@@ -670,10 +670,6 @@ void processmodes() {
     }
     
     printTemperature(readtemp(src),1);                      // Display the temperature
-    if(tempdata[src].failures)                              // If we failed to receive valid data from the sensor...
-        lcd.write('?');                                     // ... indicate this with a question mark...
-    else                                                    // ... othersiwse...
-        lcd.write(' ');                                     // ... clear any previous error
 
     lcd.setCursor(0,1);
     pgmLcdPrint(modes[mode]);                               // Print the current operation mode
@@ -684,16 +680,20 @@ void processmodes() {
 
     // Update the temperature trend arrow
     lcd.setCursor(13,0);
+    if(tempdata[src].failures)                              // If we failed to receive valid data from the sensor...
+        lcd.write('?');                                     // ... indicate this with a question mark...
+    else {
 #ifdef SIMTEMP
-    lcd.write(6);                                           // Simulate upward trend
+        lcd.write(6);                                           // Simulate upward trend
 #else
-    if(readtemp(0)-lastTemperature>=TRENDDELTA) {
-        lcd.write(6);                                       // Trend is going up
-        lastTemperature=readtemp(0);
-    } else
-    if(lastTemperature-readtemp(0)>=TRENDDELTA) {
-        lcd.write(5);                                       // Trend is going down
-        lastTemperature=readtemp(0);
+        if(readtemp(0)-lastTemperature>=TRENDDELTA) {
+            lcd.write(6);                                       // Trend is going up
+            lastTemperature=readtemp(0);
+        } else
+        if(lastTemperature-readtemp(0)>=TRENDDELTA) {
+            lcd.write(5);                                       // Trend is going down
+            lastTemperature=readtemp(0);
+        }
     }
 #endif    
     lcd.setCursor(14,0);