diff --git a/src/backends/meta-crtc.c b/src/backends/meta-crtc.c
index 33d03ac39..33c31d098 100644
--- a/src/backends/meta-crtc.c
+++ b/src/backends/meta-crtc.c
@@ -229,11 +229,7 @@ meta_gamma_lut_copy_to_size (const MetaGammaLut *gamma,
   if (gamma->size == target_size)
     return meta_gamma_lut_copy (gamma);
 
-  out = meta_gamma_lut_new (target_size, NULL, NULL, NULL);
-
-  out->red = g_new0 (uint16_t, target_size);
-  out->green = g_new0 (uint16_t, target_size);
-  out->blue = g_new0 (uint16_t, target_size);
+  out = meta_gamma_lut_new_sized (target_size);
 
   if (target_size >= gamma->size)
     {
diff --git a/src/backends/native/meta-kms-crtc.c b/src/backends/native/meta-kms-crtc.c
index 556f85355..e5405428c 100644
--- a/src/backends/native/meta-kms-crtc.c
+++ b/src/backends/native/meta-kms-crtc.c
@@ -170,12 +170,7 @@ read_crtc_legacy_gamma (MetaKmsCrtc       *crtc,
 {
   crtc_state->gamma.size = drm_crtc->gamma_size;
   crtc_state->gamma.supported = drm_crtc->gamma_size != 0;
-  crtc_state->gamma.value = meta_gamma_lut_new (drm_crtc->gamma_size,
-                                                NULL, NULL, NULL);
-
-  crtc_state->gamma.value->red = g_new0 (uint16_t, drm_crtc->gamma_size);
-  crtc_state->gamma.value->green = g_new0 (uint16_t, drm_crtc->gamma_size);
-  crtc_state->gamma.value->blue = g_new0 (uint16_t, drm_crtc->gamma_size);
+  crtc_state->gamma.value = meta_gamma_lut_new_sized (drm_crtc->gamma_size);
 
   drmModeCrtcGetGamma (meta_kms_impl_device_get_fd (impl_device),
                        crtc->id,