diff --git a/src/panfrost/compiler/bifrost/bifrost_compile.c b/src/panfrost/compiler/bifrost/bifrost_compile.c
index 98312dd6d06..e1d36c974f9 100644
--- a/src/panfrost/compiler/bifrost/bifrost_compile.c
+++ b/src/panfrost/compiler/bifrost/bifrost_compile.c
@@ -1786,8 +1786,15 @@ bi_emit_intrinsic(bi_builder *b, nir_intrinsic_instr *instr)
    }
 
    case nir_intrinsic_atest_pan: {
+      unsigned alpha_bit_size = instr->src[1].ssa->bit_size;
+      assert(alpha_bit_size == 16 || alpha_bit_size == 32);
+
       bi_index coverage = bi_src_index(&instr->src[0]);
       bi_index alpha = bi_src_index(&instr->src[1]);
+
+      if (alpha_bit_size == 16)
+         alpha = bi_half(alpha, false);
+
       bi_atest_to(b, dst, coverage, alpha, bi_fau(BIR_FAU_ATEST_PARAM, false));
       break;
    }
diff --git a/src/panfrost/compiler/pan_nir_lower_fs_outputs.c b/src/panfrost/compiler/pan_nir_lower_fs_outputs.c
index 15be5b62fa0..539e5ded38b 100644
--- a/src/panfrost/compiler/pan_nir_lower_fs_outputs.c
+++ b/src/panfrost/compiler/pan_nir_lower_fs_outputs.c
@@ -137,7 +137,7 @@ pan_nir_lower_fs_outputs(nir_shader *shader, bool skip_atest)
     */
    nir_def *alpha;
    if (color0 && glsl_type_is_float_16_32(color0->type))
-      alpha = nir_f2f32(b, nir_channel(b, nir_load_var(b, color0), 3));
+      alpha = nir_channel(b, nir_load_var(b, color0), 3);
    else
       alpha = nir_imm_float(b, 1.0f);
 
@@ -147,7 +147,7 @@ pan_nir_lower_fs_outputs(nir_shader *shader, bool skip_atest)
     * skipped for pure integer framebuffers, so the issue is moot.
     */
    if (!skip_atest)
-      coverage = nir_atest_pan(b, coverage, nir_f2f32(b, alpha));
+      coverage = nir_atest_pan(b, coverage, alpha);
 
    /* We discard depth/stencil writes if early fragment tests is forced. */
    if ((out.depth || out.stencil) && !shader->info.fs.early_fragment_tests) {