diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 788c5f59b18..a4c29fb4399 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2011-10-04  Ozkan Sezer  <sezeroz@gmail.com>
+
+	* config/i386/mingw-w64.h (CPP_SPEC): Rename _REENTRANCE to
+	_REENTRANT.
+	* config/i386/mingw32.h (CPP_SPEC): Likewise.
+
 2011-10-04  David S. Miller  <davem@davemloft.net>
 
 	* config/sparc/driver-sparc.c (cpu_names): Fix string for supersparc
diff --git a/gcc/config/i386/mingw-w64.h b/gcc/config/i386/mingw-w64.h
index 62a72ef2b92..a45ce28b282 100644
--- a/gcc/config/i386/mingw-w64.h
+++ b/gcc/config/i386/mingw-w64.h
@@ -25,8 +25,8 @@ along with GCC; see the file COPYING3.  If not see
 #undef CPP_SPEC
 #define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{mthreads:-D_MT} " \
 		 "%{municode:-DUNICODE} " \
-		 "%{" SPEC_PTHREAD1 ":-D_REENTRANCE} " \
-		 "%{" SPEC_PTHREAD2 ":-U_REENTRANCE} "
+		 "%{" SPEC_PTHREAD1 ":-D_REENTRANT} " \
+		 "%{" SPEC_PTHREAD2 ":-U_REENTRANT} "
 
 #undef STARTFILE_SPEC
 #define STARTFILE_SPEC "%{shared|mdll:dllcrt2%O%s} \
diff --git a/gcc/config/i386/mingw32.h b/gcc/config/i386/mingw32.h
index 7cb280eda32..371cb72248b 100644
--- a/gcc/config/i386/mingw32.h
+++ b/gcc/config/i386/mingw32.h
@@ -87,7 +87,7 @@ along with GCC; see the file COPYING3.  If not see
 
 #undef CPP_SPEC
 #define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{mthreads:-D_MT} " \
-		 "%{" SPEC_PTHREAD1 ":-D_REENTRANCE} " \
+		 "%{" SPEC_PTHREAD1 ":-D_REENTRANT} " \
 		 "%{" SPEC_PTHREAD2 ": } "
 
 /* For Windows applications, include more libraries, but always include