diff --git a/src/backend/utils/mmgr/mcxt.c b/src/backend/utils/mmgr/mcxt.c
index 5cf388f..52b9c1b 100644
--- a/src/backend/utils/mmgr/mcxt.c
+++ b/src/backend/utils/mmgr/mcxt.c
@@ -973,6 +973,10 @@ palloc_extended(Size size, int flags)
 					 errmsg("out of memory"),
 					 errdetail("Failed on request of size %zu.", size)));
 		}
+		ereport(WARNING,
+				(errcode(ERRCODE_OUT_OF_MEMORY),
+				 errmsg("out of memory"),
+				 errdetail("Failed on request of size %zu.", size)));
 		return NULL;
 	}
 
diff --git a/src/common/fe_memutils.c b/src/common/fe_memutils.c
index 58c5c4c..0d44ef6 100644
--- a/src/common/fe_memutils.c
+++ b/src/common/fe_memutils.c
@@ -30,9 +30,9 @@ pg_malloc_internal(size_t size, int flags)
 	tmp = malloc(size);
 	if (tmp == NULL)
 	{
+		fprintf(stderr, _("could not allocate %zu bytes of memory\n"), size);
 		if ((flags & MCXT_ALLOC_NO_OOM) == 0)
 		{
-			fprintf(stderr, _("out of memory\n"));
 			exit(EXIT_FAILURE);
 		}
 		return NULL;