diff --git a/hurd/sigunwind.c b/hurd/sigunwind.c
index f6cb55454e..67f78c1ce5 100644
--- a/hurd/sigunwind.c
+++ b/hurd/sigunwind.c
@@ -21,6 +21,7 @@
 #include <thread_state.h>
 #include <setjmp.h>
 #include <assert.h>
+#include <stdint.h>
 
 
 /* _hurd_setup_sighandler puts a link on the `active resources' chain so that
diff --git a/sysdeps/mach/hurd/jmp-unwind.c b/sysdeps/mach/hurd/jmp-unwind.c
index 0c9700b739..a522aa715a 100644
--- a/sysdeps/mach/hurd/jmp-unwind.c
+++ b/sysdeps/mach/hurd/jmp-unwind.c
@@ -22,6 +22,7 @@
 #include <hurd/signal.h>
 #include <hurd/sigpreempt.h>
 #include <assert.h>
+#include <stdint.h>
 
 
 #ifndef _JMPBUF_UNWINDS