diff --git a/src/gallium/drivers/zink/nir_to_spirv/nir_to_spirv.c b/src/gallium/drivers/zink/nir_to_spirv/nir_to_spirv.c
index 6c7543d7da7..6e267f5363f 100644
--- a/src/gallium/drivers/zink/nir_to_spirv/nir_to_spirv.c
+++ b/src/gallium/drivers/zink/nir_to_spirv/nir_to_spirv.c
@@ -1654,6 +1654,9 @@ emit_alu(struct ntv_context *ctx, nir_alu_instr *alu)
    BUILTIN_UNOP(nir_op_ufind_msb, GLSLstd450FindUMsb)
    BUILTIN_UNOP(nir_op_find_lsb, GLSLstd450FindILsb)
    BUILTIN_UNOP(nir_op_ifind_msb, GLSLstd450FindSMsb)
+   BUILTIN_UNOP(nir_op_pack_half_2x16, GLSLstd450PackHalf2x16)
+   BUILTIN_UNOP(nir_op_unpack_half_2x16, GLSLstd450UnpackHalf2x16)
+
 #undef BUILTIN_UNOP
 
    case nir_op_frcp:
diff --git a/src/gallium/drivers/zink/zink_screen.c b/src/gallium/drivers/zink/zink_screen.c
index 2094f8c2312..d0f855f218d 100644
--- a/src/gallium/drivers/zink/zink_screen.c
+++ b/src/gallium/drivers/zink/zink_screen.c
@@ -254,6 +254,7 @@ zink_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_INVALIDATE_BUFFER:
    case PIPE_CAP_PREFER_REAL_BUFFER_IN_CONSTBUF0:
    case PIPE_CAP_PACKED_UNIFORMS:
+   case PIPE_CAP_TGSI_PACK_HALF_FLOAT:
       return 1;
 
    case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION: