diff --git a/test/lib/iscsi/target_node/target_node_ut.c b/test/lib/iscsi/target_node/target_node_ut.c
index ca6a96331f..7f09c4912c 100644
--- a/test/lib/iscsi/target_node/target_node_ut.c
+++ b/test/lib/iscsi/target_node/target_node_ut.c
@@ -89,6 +89,8 @@ config_file_fail_cases(void)
 		CU_ASSERT(rc < 0);
 		section_index++;
 	}
+
+	spdk_conf_free(config);
 }
 
 int
diff --git a/unittest.sh b/unittest.sh
index 927b8d0081..fe0a8db1ea 100755
--- a/unittest.sh
+++ b/unittest.sh
@@ -45,7 +45,7 @@ $valgrind test/lib/scsi/scsi_nvme/scsi_nvme_ut
 
 # TODO: fix valgrind warnings and add $valgrind to iSCSI tests
 test/lib/iscsi/param/param_ut
-test/lib/iscsi/target_node/target_node_ut test/lib/iscsi/target_node/target_node.conf
+$valgrind test/lib/iscsi/target_node/target_node_ut test/lib/iscsi/target_node/target_node.conf
 test/lib/iscsi/pdu/pdu
 
 $valgrind test/lib/util/bit_array/bit_array_ut