diff --git a/test-tool/iscsi-test-cu.c b/test-tool/iscsi-test-cu.c
index a798ae9..eafda39 100644
--- a/test-tool/iscsi-test-cu.c
+++ b/test-tool/iscsi-test-cu.c
@@ -1245,12 +1245,13 @@ main(int argc, char *argv[])
                                 "Failed to connect to SCSI device %d\n", i);
                         goto err_sds_free;
                 }
-                if (clear_pr(mp_sds[i]) < 0) {
-                        printf("One or more persistent reservations keys have been registered\n");
-                        return -1;
-                }
         }
 
+	if (clear_pr(sd) < 0) {
+		printf("One or more persistent reservations keys have been registered\n");
+		goto err_sds_free;
+	}
+
         if (mp_num_sds > 1) {
                 /* check that all multipath sds identify as the same LU */
                 res = mpath_check_matching_ids(mp_num_sds, mp_sds);