diff --git a/ChangeLog b/ChangeLog
index 751e02521..6fe5cdad8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2010-10-09  Robert Larice
+ * src/include/complex.h :
+    !REVERT! remove typedef for _complex, which is used nowhere
+    this breaks MSVC, currently unkown why, FIXME
+
 2010-10-09  Robert Larice
  * src/frontend/parse-bison.c ,
  * src/frontend/parse-bison.h ,
diff --git a/src/include/complex.h b/src/include/complex.h
index 23b50ca66..d797faf84 100644
--- a/src/include/complex.h
+++ b/src/include/complex.h
@@ -12,6 +12,10 @@ struct _complex1 {   /* IBM portability... renamed due to double definition in M
     double cx_imag;
 } ;
 
+#ifdef _MSC_VER
+typedef struct _complex1 _complex;
+#endif
+
 typedef struct _complex1 complex;
 
 #define realpart(cval)  ((struct _complex1 *) (cval))->cx_real