diff --git a/DESCRIPTION b/DESCRIPTION
index 5410f255f..dc8ce56b9 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -26,7 +26,7 @@ Imports:
     rlang (>= 0.3.0),
     utf8 (>= 1.1.0),
     utils,
-    vctrs (>= 0.2.0)
+    vctrs (>= 0.3.7)
 Suggests: 
     bit64,
     debugme,
diff --git a/R/type-sum.R b/R/type-sum.R
index ed0fc6e47..9611af54b 100644
--- a/R/type-sum.R
+++ b/R/type-sum.R
@@ -83,7 +83,11 @@ obj_sum <- function(x) {
 
 #' @export
 obj_sum.default <- function(x) {
-  paste_with_space_if_needed(type_sum(x), size_sum(x))
+  if (!vec_is(x)) {
+    type_sum(x)
+  } else {
+    paste(vec_ptype_abbr(x, suffix_shape = FALSE), size_sum(x))
+  }
 }
 
 #' @export
diff --git a/tests/testthat/_snaps/format_list.md b/tests/testthat/_snaps/format_list.md
index 2d07db853..b60279738 100644
--- a/tests/testthat/_snaps/format_list.md
+++ b/tests/testthat/_snaps/format_list.md
@@ -27,5 +27,5 @@
     Output
       <pillar>
       <list>    
-      <df[,5] [~
+      <df [150 ~
 
diff --git a/tests/testthat/test-obj-sum.R b/tests/testthat/test-obj-sum.R
index ef9596145..f34223de1 100644
--- a/tests/testthat/test-obj-sum.R
+++ b/tests/testthat/test-obj-sum.R
@@ -19,7 +19,7 @@ test_that("data frames and common data vectors have size summary", {
 
   expect_obj_sum_is_ptype <- function(x) {
     obj_sum <- obj_sum(x)
-    ptype <- type_sum(x)
+    ptype <- vec_ptype_abbr(x, suffix_shape = FALSE)
 
     expect_equal(obj_sum, !!paste_with_space_if_needed(ptype, size_sum(x)))
   }