diff --git a/DESCRIPTION b/DESCRIPTION
index a4105f0..d9d8b47 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,8 +1,8 @@
 Package: robis
 Title: Ocean Biogeographic Information System (OBIS) Client
 Description: Client for the Ocean Biogeographic Information System (<https://obis.org>).
-Version: 2.1.10
-Date: 2019-06-17
+Version: 2.1.11
+Date: 2019-07-01
 Authors@R: c(
     person("Pieter", "Provoost", , "pieterprovoost@gmail.com", c("cre", "aut")),
     person("Samuel", "Bosch", , "mail@samuelbosch.com", role = "aut"),
diff --git a/NEWS.md b/NEWS.md
index 3b36863..2b6651e 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,7 @@
+# robis 2.1.11
+
+Bugfix for checklist of unknown taxon.
+
 # robis 2.1.10
 
 Added hab parameter for IOC-UNESCO HAB species.
diff --git a/R/checklist.R b/R/checklist.R
index a3e13a1..1eea3ee 100644
--- a/R/checklist.R
+++ b/R/checklist.R
@@ -77,7 +77,7 @@ checklist <- function(
     res <- fromJSON(text, simplifyVector = TRUE)
     total <- res$total
     partition = partition + 1
-    if (partition >= res$partitions) {
+    if (!("partitions" %in% names(res)) || partition >= res$partitions) {
       last_page <- TRUE
     }
 
diff --git a/tests/testthat/test_checklist.R b/tests/testthat/test_checklist.R
index 304500a..9dbde4c 100644
--- a/tests/testthat/test_checklist.R
+++ b/tests/testthat/test_checklist.R
@@ -5,6 +5,7 @@ family <- "Pectinariidae"
 family_taxa_lower_limit <- 10
 family_taxa_upper_limit <- 1000
 redlist_area <- 21
+unknown_aphiaid <- 999999999
 
 test_that("scientificname restricts the checklist by scientificname", {
   taxa <- checklist(scientificname = family, verbose = TRUE)
@@ -17,3 +18,9 @@ test_that("checklist only returns taxa with IUCN Red List category when redlist
   taxa <- checklist(areaid = redlist_area, redlist = TRUE, verbose = TRUE)
   expect_true(all(!is.na(taxa$category)))
 })
+
+test_that("checklist for an unknown Aphia ID is empty", {
+  taxa <- checklist(taxonid = unknown_aphiaid)
+  expect_true(is.data.frame(taxa))
+  expect_true(nrow(taxa) == 0)
+})