diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 9e609ae163..3f2bb37af1 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2015-08-21  Marcin Cieślak <saper@saper.info>  (tiny patch)
+
+	PR build/18843
+	* procfs.c: Include "filestuff.h".
+
 2015-08-21  Patrick Palka  <patrick@parcs.ath.cx>
 
 	* tui/tui-data.h (tui_command_info): Remove fields cur_line and
diff --git a/gdb/procfs.c b/gdb/procfs.c
index 42f1403114..3d4f7be3e3 100644
--- a/gdb/procfs.c
+++ b/gdb/procfs.c
@@ -30,6 +30,7 @@
 #include "gdbthread.h"
 #include "regcache.h"
 #include "inf-child.h"
+#include "filestuff.h"
 
 #if defined (NEW_PROC_API)
 #define _STRUCTURED_PROC 1	/* Should be done by configure script.  */