diff --git a/repmgr-action-cluster.c b/repmgr-action-cluster.c
index 73d0c3aa..ae1bbbdc 100644
--- a/repmgr-action-cluster.c
+++ b/repmgr-action-cluster.c
@@ -681,6 +681,8 @@ do_cluster_crosscheck(void)
 			printf("\n");
 		}
 
+		pfree(headers_crosscheck);
+
 		if (warnings.head != NULL && runtime_options.terse == false)
 		{
 			log_warning(_("following problems detected:"));
@@ -842,6 +844,8 @@ do_cluster_matrix()
 			printf("\n");
 		}
 
+		pfree(headers_matrix);
+
 		if (warnings.head != NULL && runtime_options.terse == false)
 		{
 			log_warning(_("following problems detected:"));