diff --git a/interface/src/ui/PreferencesDialog.cpp b/interface/src/ui/PreferencesDialog.cpp
index 558f6fd1b8..e80b7f7f34 100644
--- a/interface/src/ui/PreferencesDialog.cpp
+++ b/interface/src/ui/PreferencesDialog.cpp
@@ -185,7 +185,7 @@ void setupPreferences() {
         auto getter = [=]()->float { return myAvatar->getUniformScale(); };
         auto setter = [=](float value) { myAvatar->setTargetScale(value); };
         auto preference = new SpinnerSliderPreference(AVATAR_TUNING, "Avatar Scale", getter, setter);
-        preference->setStep(0.1);
+        preference->setStep(0.1f);
         preference->setDecimals(2);
         preferences->addPreference(preference);
 	}