diff --git a/libs/vkd3d-shader/ir.c b/libs/vkd3d-shader/ir.c
index aed2d0379..3c893455a 100644
--- a/libs/vkd3d-shader/ir.c
+++ b/libs/vkd3d-shader/ir.c
@@ -11326,6 +11326,7 @@ static const struct vsir_validator_instruction_desc vsir_validator_instructions[
     [VSIR_OP_BRANCH] =                           {0, ~0u, vsir_validate_branch},
     [VSIR_OP_DADD] =                             {1,   2, vsir_validate_double_elementwise_operation},
     [VSIR_OP_DDIV] =                             {1,   2, vsir_validate_double_elementwise_operation},
+    [VSIR_OP_DEQO] =                             {1,   2, vsir_validate_double_comparison_operation},
     [VSIR_OP_DFMA] =                             {1,   3, vsir_validate_double_elementwise_operation},
     [VSIR_OP_DGEO] =                             {1,   2, vsir_validate_double_comparison_operation},
     [VSIR_OP_DIV] =                              {1,   2, vsir_validate_float_elementwise_operation},