diff --git a/funannotate2/downloads.json b/funannotate2/downloads.json
index eb02c69..c4b827a 100755
--- a/funannotate2/downloads.json
+++ b/funannotate2/downloads.json
@@ -3,9 +3,9 @@
     "uniprot": "https://ftp.ebi.ac.uk/pub/databases/uniprot/current_release/knowledgebase/complete/uniprot_sprot.fasta.gz",
     "uniprot-release": "https://ftp.ebi.ac.uk/pub/databases/uniprot/current_release/knowledgebase/complete/reldate.txt",
     "merops": "https://ftp.ebi.ac.uk/pub/databases/merops/current_release/meropsscan.lib",
-    "dbCAN": "http://dbcan-hcc.unl.edu/download/dbCAN-HMMdb-V14.txt",
-    "dbCAN-tsv": "http://dbcan-hcc.unl.edu/download/Databases/V12/CAZyDB.08062022.fam-activities.txt",
-    "dbCAN-log": "http://dbcan-hcc.unl.edu/download/Databases/V11/readme.txt",
+    "dbCAN": "https://pro.unl.edu/dbCAN2/download/Databases/V14/dbCAN-HMMdb-V14.txt",
+    "dbCAN-tsv": "https://pro.unl.edu/dbCAN2/download/Databases/V12/CAZyDB.08062022.fam-activities.txt",
+    "dbCAN-log": "https://pro.unl.edu/dbCAN2/download/Databases/V11/readme.txt",
     "pfam": "https://ftp.ebi.ac.uk/pub/databases/Pfam/current_release/Pfam-A.hmm.gz",
     "pfam-tsv": "https://ftp.ebi.ac.uk/pub/databases/Pfam/current_release/Pfam-A.clans.tsv.gz",
     "pfam-log": "https://ftp.ebi.ac.uk/pub/databases/Pfam/current_release/Pfam.version.gz",
diff --git a/funannotate2/predict.py b/funannotate2/predict.py
index ba2e341..0a10db5 100755
--- a/funannotate2/predict.py
+++ b/funannotate2/predict.py
@@ -893,7 +893,7 @@ def sort_gff_line(line):
         )
         taxonomy = params["taxonomy"]
     busco_tax = choose_best_busco_species(
-        {"superkingdom": taxonomy["superkingdom"], "kingdom": taxonomy["kingdom"]}
+        {"superkingdom": taxonomy.get("superkingdom"), "kingdom": taxonomy.get("kingdom")}
     )
     # pull the latest odb version from downloads link
     odb_version = get_odb_version(
diff --git a/funannotate2/utilities.py b/funannotate2/utilities.py
index 9d4361b..e97a661 100755
--- a/funannotate2/utilities.py
+++ b/funannotate2/utilities.py
@@ -339,7 +339,7 @@ def lookup_taxonomy(name):
     try:
         resp = requests.get(url + name, verify=False)
         if 500 <= resp.status_code <= 599:
-            return resp.status_code
+            return False
         result = resp.json()[name]
         if "error" in result:
             return False