diff --git a/cddl/usr.sbin/zfsd/tests/zfsd_unittest.cc b/cddl/usr.sbin/zfsd/tests/zfsd_unittest.cc
--- a/cddl/usr.sbin/zfsd/tests/zfsd_unittest.cc
+++ b/cddl/usr.sbin/zfsd/tests/zfsd_unittest.cc
@@ -76,12 +76,15 @@
 using DevdCtl::NVPairMap;
 
 /* redefine zpool_handle here because libzfs_impl.h is not includable */
+#define        ZHP_MAX_PROPNAMES 4
 struct zpool_handle
 {
         libzfs_handle_t *zpool_hdl;
         zpool_handle_t *zpool_next;
         char zpool_name[ZFS_MAX_DATASET_NAME_LEN];
         int zpool_state;
+        unsigned int zpool_n_propnames;
+        const char *zpool_propnames[ZHP_MAX_PROPNAMES];
         size_t zpool_config_size;
         nvlist_t *zpool_config;
         nvlist_t *zpool_old_config;