diff --git a/config.c b/config.c
index bef2b10d..14df7890 100644
--- a/config.c
+++ b/config.c
@@ -579,7 +579,7 @@ tablespace_list_append(t_configuration_options *options, const char *arg)
 	char	   *dst_ptr;
 	const char *arg_ptr;
 
-	cell = (TablespaceListCell *) malloc(sizeof(TablespaceListCell));
+	cell = (TablespaceListCell *) pg_malloc0(sizeof(TablespaceListCell));
 	if(cell == NULL)
 	{
 		log_err(_("unable to allocate memory. Terminating.\n"));
diff --git a/repmgr.c b/repmgr.c
index 86d21737..81bba12c 100644
--- a/repmgr.c
+++ b/repmgr.c
@@ -2967,7 +2967,7 @@ error_list_append(char *error_message)
 {
 	ErrorListCell *cell;
 
-	cell = (ErrorListCell *) malloc(sizeof(ErrorListCell));
+	cell = (ErrorListCell *) pg_malloc0(sizeof(ErrorListCell));
 
 	if(cell == NULL)
 	{