diff --git a/contrib/jemalloc/src/jemalloc.c b/contrib/jemalloc/src/jemalloc.c
index e4b183d1a24..352c18870e0 100644
--- a/contrib/jemalloc/src/jemalloc.c
+++ b/contrib/jemalloc/src/jemalloc.c
@@ -3561,6 +3561,7 @@ do_rallocx(void *ptr, size_t size, int flags, bool is_realloc) {
 
 	return p;
 label_oom:
+	set_errno(ENOMEM);
 	if (config_xmalloc && unlikely(opt_xmalloc)) {
 		malloc_write("<jemalloc>: Error in rallocx(): out of memory\n");
 		abort();