diff --git a/gas/config/obj-coffbfd.c b/gas/config/obj-coffbfd.c
index 69901197790..38717afe58e 100644
--- a/gas/config/obj-coffbfd.c
+++ b/gas/config/obj-coffbfd.c
@@ -41,6 +41,7 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #include "subsegs.h"
 #include "frags.h"
 #include "../bfd/libbfd.h"
+#include "../bfd/libcoff.h"
 
 
 #define MIN(a,b) ((a) < (b)? (a) : (b))