diff --git a/indra/llinventory/llsettingssky.cpp b/indra/llinventory/llsettingssky.cpp
index 148aa99095..84055f903a 100644
--- a/indra/llinventory/llsettingssky.cpp
+++ b/indra/llinventory/llsettingssky.cpp
@@ -1249,8 +1249,8 @@ LLColor4 LLSettingsSky::getTotalAmbient() const
 LLColor3 LLSettingsSky::getMoonlightColor() const
 {
     F32 moon_brightness = getIsMoonUp() ? getMoonBrightness() : 0.001f;
-    LLColor3 moonlight_a(0.9, 0.9, 1.32);
-    LLColor3 moonlight_b(0.66, 0.66, 2.0);
+    LLColor3 moonlight_a(0.9f, 0.9f, 1.32f);
+    LLColor3 moonlight_b(0.66f, 0.66f, 2.0f);
     LLColor3 moonlight = lerp(moonlight_b, moonlight_a, moon_brightness);    
     return moonlight;
 }