diff --git a/companion/src/modeledit/telemetry.cpp b/companion/src/modeledit/telemetry.cpp
index 5966a5f3d..e6d25651c 100644
--- a/companion/src/modeledit/telemetry.cpp
+++ b/companion/src/modeledit/telemetry.cpp
@@ -581,6 +581,7 @@ void TelemetrySensorPanel::update()
     if (sensor.unit == SensorData::UNIT_RPMS) {
       ui->offset->setDecimals(0);
       ui->ratio->setDecimals(0);
+      ui->ratio->setSingleStep(1);
       ui->autoOffset->hide();
       ui->ratio->setMinimum(1);
       ui->offset->setMinimum(1);
@@ -588,6 +589,7 @@ void TelemetrySensorPanel::update()
     else {
       ui->offset->setDecimals(sensor.prec);
       ui->ratio->setDecimals(1);
+      ui->ratio->setSingleStep(0.1);
     }
   }
 
diff --git a/companion/src/shared/autodoublespinbox.h b/companion/src/shared/autodoublespinbox.h
index 140bf816c..8637bb57c 100644
--- a/companion/src/shared/autodoublespinbox.h
+++ b/companion/src/shared/autodoublespinbox.h
@@ -3,6 +3,11 @@
 
 #include <QDoubleSpinBox>
 #include "modeledit/modeledit.h"
+#if __GNUC__
+  #include <math.h>
+#else
+  #include "../targets/windows/winbuild.h"
+#endif
 
 class AutoDoubleSpinBox: public QDoubleSpinBox
 {
@@ -62,7 +67,7 @@ class AutoDoubleSpinBox: public QDoubleSpinBox
     void onValueChanged(double value)
     {
       if (field && !lock) {
-        *field = value * multiplier();
+        *field = round(value * multiplier());
         if (panel) {
           emit panel->modified();
         }