diff --git a/servers/rendering/renderer_rd/effects/luminance.cpp b/servers/rendering/renderer_rd/effects/luminance.cpp
index 4727e8fd9a9..ab3ddb67b33 100644
--- a/servers/rendering/renderer_rd/effects/luminance.cpp
+++ b/servers/rendering/renderer_rd/effects/luminance.cpp
@@ -102,9 +102,10 @@ void Luminance::LuminanceBuffers::configure(RenderSceneBuffersRD *p_render_buffe
 			tf.usage_bits = RD::TEXTURE_USAGE_COLOR_ATTACHMENT_BIT | RD::TEXTURE_USAGE_SAMPLING_BIT;
 		} else {
 			tf.usage_bits = RD::TEXTURE_USAGE_STORAGE_BIT;
-			if (final) {
-				tf.usage_bits |= RD::TEXTURE_USAGE_SAMPLING_BIT;
-			}
+		}
+
+		if (final) {
+			tf.usage_bits |= RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_CAN_COPY_TO_BIT;
 		}
 
 		RID texture = RD::get_singleton()->texture_create(tf, RD::TextureView());
@@ -112,6 +113,7 @@ void Luminance::LuminanceBuffers::configure(RenderSceneBuffersRD *p_render_buffe
 
 		if (final) {
 			current = RD::get_singleton()->texture_create(tf, RD::TextureView());
+			RD::get_singleton()->texture_clear(current, Color(0.0, 0.0, 0.0), 0u, 1u, 0u, 1u);
 			break;
 		}
 	}