diff -up src/sage/libs/arb/arb_wrap.h.orig src/sage/libs/arb/arb_wrap.h
--- src/sage/libs/arb/arb_wrap.h.orig	2019-10-25 14:39:21.831699616 -0300
+++ src/sage/libs/arb/arb_wrap.h	2019-10-25 14:39:53.520890155 -0300
@@ -11,17 +11,17 @@
 #define ulong mp_limb_t
 #define slong mp_limb_signed_t
 
-#include <acb.h>
-#include <acb_calc.h>
-#include <acb_elliptic.h>
-#include <acb_hypgeom.h>
-#include <acb_mat.h>
-#include <acb_modular.h>
-#include <acb_poly.h>
-#include <arb.h>
-#include <arf.h>
-#include <bernoulli.h>
-#include <mag.h>
+#include <arb/acb.h>
+#include <arb/acb_calc.h>
+#include <arb/acb_elliptic.h>
+#include <arb/acb_hypgeom.h>
+#include <arb/acb_mat.h>
+#include <arb/acb_modular.h>
+#include <arb/acb_poly.h>
+#include <arb/arb.h>
+#include <arb/arf.h>
+#include <arb/bernoulli.h>
+#include <arb/mag.h>
 
 #undef ulong
 #undef slong