diff --git a/src/gallium/drivers/radeonsi/si_get.c b/src/gallium/drivers/radeonsi/si_get.c
index 795461a1c90..985daa1c776 100644
--- a/src/gallium/drivers/radeonsi/si_get.c
+++ b/src/gallium/drivers/radeonsi/si_get.c
@@ -1072,8 +1072,8 @@ void si_init_screen_get_functions(struct si_screen *sscreen)
       .has_udot_4x8 = sscreen->info.has_accelerated_dot_product,
       .has_dot_2x16 = sscreen->info.has_accelerated_dot_product,
       .optimize_sample_mask_in = true,
-      .max_unroll_iterations = 128,
-      .max_unroll_iterations_aggressive = 128,
+      .max_unroll_iterations = LLVM_VERSION_MAJOR >= 13 ? 128 : 32,
+      .max_unroll_iterations_aggressive = LLVM_VERSION_MAJOR >= 13 ? 128 : 32,
       .use_interpolated_input_intrinsics = true,
       .lower_uniforms_to_ubo = true,
       .support_16bit_alu = sscreen->options.fp16,