diff --git a/src/main/kotlin/MaterialColor.kt b/src/main/kotlin/MaterialColor.kt
index 2aac534..c16ca2d 100644
--- a/src/main/kotlin/MaterialColor.kt
+++ b/src/main/kotlin/MaterialColor.kt
@@ -11,4 +11,6 @@ data class MaterialColor(val r: Float, val g: Float, val b: Float) {
     companion object {
         val Black: MaterialColor = MaterialColor(0f, 0f, 0f)
     }
-}
\ No newline at end of file
+}
+
+operator fun Float.times(rhs: MaterialColor) = MaterialColor(this * rhs.r, this * rhs.g, this * rhs.b)
diff --git a/src/main/kotlin/Ray.kt b/src/main/kotlin/Ray.kt
index 1f06a97..0383cd2 100644
--- a/src/main/kotlin/Ray.kt
+++ b/src/main/kotlin/Ray.kt
@@ -1,6 +1,5 @@
 import java.io.File
 
-operator fun Float.times(rhs: MaterialColor) = MaterialColor(this * rhs.r, this * rhs.g, this * rhs.b)
 
 data class Ray(val origin: Point, val direction: Vector) {
     fun at(t: Float) = origin + t * direction