diff --git a/src/compiler/nir/nir_deref.c b/src/compiler/nir/nir_deref.c
index c32731d156c..a5282ce128f 100644
--- a/src/compiler/nir/nir_deref.c
+++ b/src/compiler/nir/nir_deref.c
@@ -334,7 +334,8 @@ nir_build_deref_offset(nir_builder *b, nir_deref_instr *deref,
    nir_ssa_def *offset = nir_imm_intN_t(b, 0, deref->dest.ssa.bit_size);
    for (nir_deref_instr **p = &path.path[1]; *p; p++) {
       switch ((*p)->deref_type) {
-      case nir_deref_type_array: {
+      case nir_deref_type_array:
+      case nir_deref_type_ptr_as_array: {
          nir_ssa_def *index = nir_ssa_for_src(b, (*p)->arr.index, 1);
          int stride = type_get_array_stride((*p)->type, size_align);
          offset = nir_iadd(b, offset, nir_amul_imm(b, index, stride));