diff --git a/lib/hdb/NTMakefile b/lib/hdb/NTMakefile
index ef696fb3a..32b8df6e2 100644
--- a/lib/hdb/NTMakefile
+++ b/lib/hdb/NTMakefile
@@ -37,7 +37,7 @@ gen_files_hdb = $(OBJ)\asn1_hdb_asn1.x
 
 $(gen_files_hdb) $(OBJ)\hdb_asn1.hx $(OBJ)\hdb_asn1-priv.hx: $(BINDIR)\asn1_compile.exe hdb.asn1
 	cd $(OBJ)
-	$(BINDIR)\asn1_compile.exe --sequence=HDB-Ext-Keyset --sequence=Keys --one-code-file $(SRCDIR)\hdb.asn1 hdb_asn1
+	$(BINDIR)\asn1_compile.exe --sequence=HDB-Ext-KeySet --sequence=Keys --one-code-file $(SRCDIR)\hdb.asn1 hdb_asn1
 	cd $(SRCDIR)
 
 $(gen_files_hdb:.x=.c): $$(@R).x
diff --git a/lib/hdb/libhdb-exports.def b/lib/hdb/libhdb-exports.def
index 1476a7713..4a1bce919 100644
--- a/lib/hdb/libhdb-exports.def
+++ b/lib/hdb/libhdb-exports.def
@@ -99,4 +99,4 @@ EXPORTS
 	length_HDB_extension
         length_Key
 	add_Keys
-	add_HDB_Ext_Keyset
+	add_HDB_Ext_KeySet
diff --git a/lib/hdb/version-script.map b/lib/hdb/version-script.map
index f80fb78a6..9f05d7fbe 100644
--- a/lib/hdb/version-script.map
+++ b/lib/hdb/version-script.map
@@ -112,7 +112,7 @@ HEIMDAL_HDB_1.0 {
 		length_Keys;
 		remove_Keys;
 		add_Keys;
-		add_HDB_Ext_Keyset;
+		add_HDB_Ext_KeySet;
 
 	local:
 		*;