diff --git a/libs/vkd3d-shader/ir.c b/libs/vkd3d-shader/ir.c
index ee6f90cce..16108da5b 100644
--- a/libs/vkd3d-shader/ir.c
+++ b/libs/vkd3d-shader/ir.c
@@ -11613,6 +11613,7 @@ static const struct vsir_validator_instruction_desc vsir_validator_instructions[
     [VSIR_OP_NOP] =                              {0,   0, vsir_validate_nop},
     [VSIR_OP_NOT] =                              {1,   1, vsir_validate_logic_elementwise_operation},
     [VSIR_OP_OR] =                               {1,   2, vsir_validate_logic_elementwise_operation},
+    [VSIR_OP_ORD] =                              {1,   2, vsir_validate_float_comparison_operation},
     [VSIR_OP_PHI] =                              {1, ~0u, vsir_validate_phi},
     [VSIR_OP_REP] =                              {0,   1, vsir_validate_rep},
     [VSIR_OP_RET] =                              {0,   0, vsir_validate_ret},