diff --git a/winsup/mingw/ChangeLog b/winsup/mingw/ChangeLog
index ff57442ef..779c47104 100644
--- a/winsup/mingw/ChangeLog
+++ b/winsup/mingw/ChangeLog
@@ -1,3 +1,7 @@
+2004-07-15  "dgun"  <dgun@umpire.com>
+
+	* include/complex.h (conj): Correct typo in prototype.
+
 2004-07-15  Danny Smith  <dannysmith@users.sourceforge.net>
 
 	* include/math.h: Add pragma GCC system_header.
diff --git a/winsup/mingw/include/complex.h b/winsup/mingw/include/complex.h
index af3fc0f18..14431d14a 100644
--- a/winsup/mingw/include/complex.h
+++ b/winsup/mingw/include/complex.h
@@ -51,7 +51,7 @@ double __attribute__ ((const)) creal (double _Complex);
 double __attribute__ ((const)) cimag (double _Complex);
 double __attribute__ ((const)) carg (double _Complex);
 double __attribute__ ((const)) cabs (double _Complex);
-double _Complex __attribute__ ((const)) cconj (double _Complex);
+double _Complex __attribute__ ((const)) conj (double _Complex);
 double _Complex __attribute__ ((const)) cacos (double _Complex);
 double _Complex __attribute__ ((const)) casin (double _Complex);
 double _Complex __attribute__ ((const)) catan (double _Complex);