diff --git a/src/GafferSceneUI/SceneGadget.cpp b/src/GafferSceneUI/SceneGadget.cpp
index dbca50dcdae..6c981485535 100644
--- a/src/GafferSceneUI/SceneGadget.cpp
+++ b/src/GafferSceneUI/SceneGadget.cpp
@@ -656,8 +656,8 @@ std::optional<V3f> SceneGadget::normalAt( const IECore::LineSegment3f &lineInGad
 	// incorrect. We know that the incoming `lineInGadgetSpace` has been calculated from
 	// an integeer pixel value so we snap to the nearest integer as a corrective.
 	V2f centerRasterP = viewportGadget->gadgetToRasterSpace( lineInGadgetSpace.p0, this );
-	centerRasterP.x = (float)( (int)centerRasterP.x + 0.5 );
-	centerRasterP.y = (float)( (int)centerRasterP.y + 0.5 );
+	centerRasterP.x = (int)centerRasterP.x + 0.5f;
+	centerRasterP.y = (int)centerRasterP.y + 0.5f;
 
 	if( objectAt( viewportGadget->rasterToGadgetSpace( centerRasterP, this ), centerPath, centerP ) )
 	{