diff --git a/src/gallium/auxiliary/nir/nir_to_tgsi_info.c b/src/gallium/auxiliary/nir/nir_to_tgsi_info.c
index 90b041603f6..070d0c901a8 100644
--- a/src/gallium/auxiliary/nir/nir_to_tgsi_info.c
+++ b/src/gallium/auxiliary/nir/nir_to_tgsi_info.c
@@ -224,6 +224,10 @@ static void scan_instruction(const struct nir_shader *nir,
       case nir_intrinsic_ssbo_atomic_swap:
          info->writes_memory = true;
          break;
+      case nir_intrinsic_interp_deref_at_centroid:
+      case nir_intrinsic_interp_deref_at_offset:
+      case nir_intrinsic_interp_deref_at_sample:
+      case nir_intrinsic_interp_deref_at_vertex:
       case nir_intrinsic_load_deref: {
          const nir_variable *var = nir_intrinsic_get_var(intr, 0);
          const nir_variable_mode mode = var->data.mode;