diff --git a/src/x86/ffitarget.h b/src/x86/ffitarget.h
index 391673f..a236677 100644
--- a/src/x86/ffitarget.h
+++ b/src/x86/ffitarget.h
@@ -1,5 +1,5 @@
 /* -----------------------------------------------------------------*-C-*-
-   ffitarget.h - Copyright (c) 2012  Anthony Green
+   ffitarget.h - Copyright (c) 2012, 2014  Anthony Green
                  Copyright (c) 1996-2003, 2010  Red Hat, Inc.
                  Copyright (C) 2008  Free Software Foundation, Inc.
 
@@ -50,6 +50,7 @@
 #endif
 
 #define FFI_TARGET_SPECIFIC_STACK_SPACE_ALLOCATION
+#define FFI_TARGET_HAS_COMPLEX_TYPE
 
 /* ---- Generic type definitions ----------------------------------------- */