diff --git a/source/blender/compositor/realtime_compositor/shaders/infos/compositor_cryptomatte_info.hh b/source/blender/compositor/realtime_compositor/shaders/infos/compositor_cryptomatte_info.hh
index 5eef93499b4..1b68a89843d 100644
--- a/source/blender/compositor/realtime_compositor/shaders/infos/compositor_cryptomatte_info.hh
+++ b/source/blender/compositor/realtime_compositor/shaders/infos/compositor_cryptomatte_info.hh
@@ -16,7 +16,7 @@ GPU_SHADER_CREATE_INFO(compositor_cryptomatte_matte)
     .push_constant(Type::INT, "identifiers_count")
     .push_constant(Type::FLOAT, "identifiers", 32)
     .sampler(0, ImageType::FLOAT_2D, "layer_tx")
-    .image(0, GPU_RGBA16F, Qualifier::READ_WRITE, ImageType::FLOAT_2D, "matte_img")
+    .image(0, GPU_R16F, Qualifier::READ_WRITE, ImageType::FLOAT_2D, "matte_img")
     .compute_source("compositor_cryptomatte_matte.glsl")
     .do_static_compilation(true);