diff --git a/src/gallium/drivers/zink/nir_to_spirv/nir_to_spirv.c b/src/gallium/drivers/zink/nir_to_spirv/nir_to_spirv.c
index 444984fb88d..245a8bf1d0c 100644
--- a/src/gallium/drivers/zink/nir_to_spirv/nir_to_spirv.c
+++ b/src/gallium/drivers/zink/nir_to_spirv/nir_to_spirv.c
@@ -3703,9 +3703,11 @@ nir_to_spirv(struct nir_shader *s, const struct zink_so_info *so_info,
       if (s->info.fs.early_fragment_tests)
          spirv_builder_emit_exec_mode(&ctx.builder, entry_point,
                                       SpvExecutionModeEarlyFragmentTests);
-      if (s->info.fs.post_depth_coverage)
+      if (s->info.fs.post_depth_coverage) {
+         spirv_builder_emit_extension(&ctx.builder, "SPV_KHR_post_depth_coverage");
          spirv_builder_emit_exec_mode(&ctx.builder, entry_point,
                                       SpvExecutionModePostDepthCoverage);
+      }
       break;
    case MESA_SHADER_TESS_CTRL:
       spirv_builder_emit_exec_mode_literal(&ctx.builder, entry_point,