diff --git a/contrib/jemalloc/src/jemalloc.c b/contrib/jemalloc/src/jemalloc.c
index 352c18870e0..edf23b9801b 100644
--- a/contrib/jemalloc/src/jemalloc.c
+++ b/contrib/jemalloc/src/jemalloc.c
@@ -3561,7 +3561,9 @@ do_rallocx(void *ptr, size_t size, int flags, bool is_realloc) {
 
 	return p;
 label_oom:
-	set_errno(ENOMEM);
+	if (is_realloc) {
+		set_errno(ENOMEM);
+	}
 	if (config_xmalloc && unlikely(opt_xmalloc)) {
 		malloc_write("<jemalloc>: Error in rallocx(): out of memory\n");
 		abort();