diff --git a/src/amd/common/ac_nir_cull.c b/src/amd/common/ac_nir_cull.c
index 3754ffc5c7c..766310aa045 100644
--- a/src/amd/common/ac_nir_cull.c
+++ b/src/amd/common/ac_nir_cull.c
@@ -248,7 +248,7 @@ cull_small_primitive_line(nir_builder *b, nir_def *pos[3][4],
        * It should contain no holes if this matches hw behavior.
        */
       nir_def *v0[2], *v1[2];
-      nir_def *vp = nir_load_cull_triangle_viewport_xy_scale_and_offset_amd(b);
+      nir_def *vp = nir_load_cull_line_viewport_xy_scale_and_offset_amd(b);
 
       /* Get vertex positions in pixels. */
       for (unsigned chan = 0; chan < 2; chan++) {
diff --git a/src/gallium/drivers/radeonsi/si_nir_lower_abi.c b/src/gallium/drivers/radeonsi/si_nir_lower_abi.c
index 68c5380b5bc..f8c687ff5e4 100644
--- a/src/gallium/drivers/radeonsi/si_nir_lower_abi.c
+++ b/src/gallium/drivers/radeonsi/si_nir_lower_abi.c
@@ -384,10 +384,13 @@ static bool lower_intrinsic(nir_builder *b, nir_instr *instr, struct lower_abi_s
       break;
    }
    case nir_intrinsic_load_cull_triangle_viewport_xy_scale_and_offset_amd: {
-      bool prim_is_lines = key->ge.opt.ngg_culling & SI_NGG_CULL_LINES;
       nir_def *addr = ac_nir_load_arg(b, &args->ac, args->small_prim_cull_info);
-      unsigned offset = prim_is_lines ? 16 : 0;
-      replacement = nir_load_smem_amd(b, 4, addr, nir_imm_int(b, offset));
+      replacement = nir_load_smem_amd(b, 4, addr, nir_imm_int(b, 0));
+      break;
+   }
+   case nir_intrinsic_load_cull_line_viewport_xy_scale_and_offset_amd: {
+      nir_def *addr = ac_nir_load_arg(b, &args->ac, args->small_prim_cull_info);
+      replacement = nir_load_smem_amd(b, 4, addr, nir_imm_int(b, 16));
       break;
    }
    case nir_intrinsic_load_num_vertices_per_primitive_amd: