diff --git a/R/shaft-.R b/R/shaft-.R
index 1f4a6f5d6..d4d8de423 100644
--- a/R/shaft-.R
+++ b/R/shaft-.R
@@ -168,6 +168,16 @@ pillar_shaft.Surv2 <- function(x, ...) {
   new_pillar_shaft_simple(format(x), align = "right")
 }
 
+# registered in .onLoad()
+type_sum.Surv <- function(x) {
+  "Surv"
+}
+
+# registered in .onLoad()
+type_sum.Surv2 <- function(x) {
+  "Surv2"
+}
+
 #' @export
 #' @rdname pillar_shaft
 pillar_shaft.Date <- function(x, ...) {
diff --git a/R/zzz.R b/R/zzz.R
index fcfd46131..c105c5092 100644
--- a/R/zzz.R
+++ b/R/zzz.R
@@ -21,7 +21,9 @@ NULL
   register_s3_method("vctrs", "vec_ptype_abbr", "pillar_empty_col")
   register_s3_method("bit64", "pillar_shaft", "integer64", gen_pkg = "pillar")
   register_s3_method("survival", "pillar_shaft", "Surv", gen_pkg = "pillar")
+  register_s3_method("survival", "type_sum", "Surv", gen_pkg = "pillar")
   register_s3_method("survival", "pillar_shaft", "Surv2", gen_pkg = "pillar")
+  register_s3_method("survival", "type_sum", "Surv2", gen_pkg = "pillar")
 
   assign_crayon_styles()