diff --git a/src/amd/vulkan/nir/radv_nir_apply_pipeline_layout.c b/src/amd/vulkan/nir/radv_nir_apply_pipeline_layout.c
index a242542641d..fcf9a4592d0 100644
--- a/src/amd/vulkan/nir/radv_nir_apply_pipeline_layout.c
+++ b/src/amd/vulkan/nir/radv_nir_apply_pipeline_layout.c
@@ -168,7 +168,7 @@ load_buffer_descriptor(nir_builder *b, apply_layout_state *state, nir_def *rsrc,
       return nir_iadd(b, nir_channel(b, rsrc, 0), nir_channel(b, rsrc, 1));
 
    nir_def *desc_set = convert_pointer_to_64_bit(b, state, nir_channel(b, rsrc, 0));
-   return ac_nir_load_smem(b, 4, desc_set, nir_channel(b, rsrc, 1), 16, 0);
+   return ac_nir_load_smem(b, 4, desc_set, nir_channel(b, rsrc, 1), 4, 0);
 }
 
 static void
@@ -186,7 +186,7 @@ visit_get_ssbo_size(nir_builder *b, apply_layout_state *state, nir_intrinsic_ins
    } else {
       /* load the entire descriptor so it can be CSE'd */
       nir_def *ptr = convert_pointer_to_64_bit(b, state, nir_channel(b, rsrc, 0));
-      nir_def *desc = ac_nir_load_smem(b, 4, ptr, nir_channel(b, rsrc, 1), 16, 0);
+      nir_def *desc = ac_nir_load_smem(b, 4, ptr, nir_channel(b, rsrc, 1), 4, 0);
       size = nir_channel(b, desc, 2);
    }
 
diff --git a/src/amd/vulkan/nir/radv_nir_lower_abi.c b/src/amd/vulkan/nir/radv_nir_lower_abi.c
index 68f1d2cce58..88b4dd67d6f 100644
--- a/src/amd/vulkan/nir/radv_nir_lower_abi.c
+++ b/src/amd/vulkan/nir/radv_nir_lower_abi.c
@@ -367,7 +367,7 @@ lower_abi_instr(nir_builder *b, nir_intrinsic_instr *intrin, void *state)
       nir_def *ptr = nir_pack_64_2x32_split(b, ac_nir_load_arg(b, &s->args->ac, s->args->streamout_buffers),
                                             nir_imm_int(b, s->address32_hi));
       replacement =
-         ac_nir_load_smem(b, 4, ptr, nir_imm_int(b, nir_intrinsic_base(intrin) * 16), 16, ACCESS_CAN_SPECULATE);
+         ac_nir_load_smem(b, 4, ptr, nir_imm_int(b, nir_intrinsic_base(intrin) * 16), 4, ACCESS_CAN_SPECULATE);
       break;
    }
    case nir_intrinsic_load_xfb_state_address_gfx12_amd:
diff --git a/src/amd/vulkan/nir/radv_nir_lower_vs_inputs.c b/src/amd/vulkan/nir/radv_nir_lower_vs_inputs.c
index 998d90cd721..a2f3ec8f7fe 100644
--- a/src/amd/vulkan/nir/radv_nir_lower_vs_inputs.c
+++ b/src/amd/vulkan/nir/radv_nir_lower_vs_inputs.c
@@ -235,7 +235,7 @@ lower_load_vs_input(nir_builder *b, nir_intrinsic_instr *intrin, lower_vs_inputs
    nir_def *vertex_buffers_arg = ac_nir_load_arg(b, &s->args->ac, s->args->ac.vertex_buffers);
    nir_def *vertex_buffers = nir_pack_64_2x32_split(b, vertex_buffers_arg, nir_imm_int(b, s->gpu_info->address32_hi));
    nir_def *descriptor =
-      ac_nir_load_smem(b, 4, vertex_buffers, nir_imm_int(b, desc_index * 16), 16, ACCESS_CAN_SPECULATE);
+      ac_nir_load_smem(b, 4, vertex_buffers, nir_imm_int(b, desc_index * 16), 4, ACCESS_CAN_SPECULATE);
    nir_def *base_index = calc_vs_input_index(b, location, s);
    nir_def *zero = nir_imm_int(b, 0);