diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c
index eb2e0337280..1b2ca7d2fe0 100644
--- a/src/gallium/drivers/llvmpipe/lp_screen.c
+++ b/src/gallium/drivers/llvmpipe/lp_screen.c
@@ -446,6 +446,7 @@ static const struct nir_shader_compiler_options gallivm_nir_options = {
    .lower_pack_unorm_2x16 = true,
    .lower_pack_unorm_4x8 = true,
    .lower_pack_half_2x16 = true,
+   .lower_pack_64_4x16 = true,
    .lower_pack_split = true,
    .lower_unpack_snorm_2x16 = true,
    .lower_unpack_snorm_4x8 = true,
diff --git a/src/intel/compiler/brw_compiler.c b/src/intel/compiler/brw_compiler.c
index fe44a6b09f1..2c73fe97905 100644
--- a/src/intel/compiler/brw_compiler.c
+++ b/src/intel/compiler/brw_compiler.c
@@ -62,6 +62,7 @@ const struct nir_shader_compiler_options brw_scalar_nir_options = {
    .lower_pack_snorm_4x8 = true,
    .lower_pack_unorm_2x16 = true,
    .lower_pack_unorm_4x8 = true,
+   .lower_pack_64_4x16 = true,
    .lower_scmp = true,
    .lower_to_scalar = true,
    .lower_uadd_carry = true,