diff --git a/libraries/render-utils/src/DeferredLightingEffect.cpp b/libraries/render-utils/src/DeferredLightingEffect.cpp
index a0b8f0ae84..ac24b09c40 100644
--- a/libraries/render-utils/src/DeferredLightingEffect.cpp
+++ b/libraries/render-utils/src/DeferredLightingEffect.cpp
@@ -435,7 +435,7 @@ void DeferredLightingEffect::render(const render::RenderContextPointer& renderCo
                     float expandedRadius = light->getMaximumRadius() * (1.0f + SCALE_EXPANSION);
                     // TODO: We shouldn;t have to do that test and use a different volume geometry for when inside the vlight volume,
                     // we should be able to draw thre same geometry use DepthClamp but for unknown reason it's s not working...
-                    const float OVER_CONSERVATIVE_SCALE = 1.1;
+                    const float OVER_CONSERVATIVE_SCALE = 1.1f;
                     if ((eyeHalfPlaneDistance > -nearRadius) &&
                         (glm::distance(eyePoint, glm::vec3(light->getPosition())) < (expandedRadius * OVER_CONSERVATIVE_SCALE) + nearRadius)) {
                         coneParam.w = 0.0f;