diff --git a/libs/vkd3d-shader/ir.c b/libs/vkd3d-shader/ir.c
index 0904fe839..bacb7eef8 100644
--- a/libs/vkd3d-shader/ir.c
+++ b/libs/vkd3d-shader/ir.c
@@ -8678,8 +8678,9 @@ static void vsir_validate_src_param(struct validation_context *ctx,
     }
     src_modifier_data[] =
     {
-        [VKD3DSPSM_NEG]  = {F64_BIT | F32_BIT | F16_BIT | I32_BIT | U64_BIT | U32_BIT | U16_BIT},
-        [VKD3DSPSM_BIAS] = {F32_BIT},
+        [VKD3DSPSM_NEG]     = {F64_BIT | F32_BIT | F16_BIT | I32_BIT | U64_BIT | U32_BIT | U16_BIT},
+        [VKD3DSPSM_BIAS]    = {F32_BIT},
+        [VKD3DSPSM_BIASNEG] = {F32_BIT},
     };
     vsir_validate_register(ctx, &src->reg);