diff --git a/orx-jvm/orx-poisson-fill/src/main/kotlin/LaplacianIntegrator.kt b/orx-jvm/orx-poisson-fill/src/main/kotlin/LaplacianIntegrator.kt
index c793bb38..d8a02af0 100644
--- a/orx-jvm/orx-poisson-fill/src/main/kotlin/LaplacianIntegrator.kt
+++ b/orx-jvm/orx-poisson-fill/src/main/kotlin/LaplacianIntegrator.kt
@@ -9,7 +9,7 @@ internal class PassthroughNoAlpha : Filter(filterShaderFromUrl(resourceUrl("/sha
 /**
  * Laplacian filter
  */
-class Laplacian : Filter(filterShaderFromUrl(resourceUrl("/shaders/gl3/poisson/laplacian.frag")))
+class Laplacian : Filter1to1(filterShaderFromUrl(resourceUrl("/shaders/gl3/poisson/laplacian.frag")))
 
 class LaplacianIntegrator(width: Int, height: Int, downscaling: Int = 1, type: ColorType = ColorType.FLOAT32) {
     private val pyramid = ConvolutionPyramid(2 + width / downscaling, 2 + height / downscaling, type = type)
diff --git a/orx-jvm/orx-poisson-fill/src/main/kotlin/PoissonFiller.kt b/orx-jvm/orx-poisson-fill/src/main/kotlin/PoissonFiller.kt
index 770b2384..2d7e5da7 100644
--- a/orx-jvm/orx-poisson-fill/src/main/kotlin/PoissonFiller.kt
+++ b/orx-jvm/orx-poisson-fill/src/main/kotlin/PoissonFiller.kt
@@ -39,7 +39,7 @@ class PoissonFiller(val width: Int, val height: Int, type: ColorType = ColorType
 /**
  * Poison filling as a filter
  */
-class PoissonFill : Filter() {
+class PoissonFill : Filter1to1() {
     private var filler: PoissonFiller? = null
     override fun apply(source: Array<ColorBuffer>, target: Array<ColorBuffer>) {
         if (target.isNotEmpty()) {