diff --git a/mingw-w64-crt/lib32/msvcr90.def.in b/mingw-w64-crt/lib32/msvcr90.def.in
index 5c5fc64..6278933 100644
--- a/mingw-w64-crt/lib32/msvcr90.def.in
+++ b/mingw-w64-crt/lib32/msvcr90.def.in
@@ -468,6 +468,7 @@
 _fflush_nolock
 _fgetchar
 _fgetwc_nolock
+_getwc_nolock == _fgetwc_nolock
 _fgetwchar
 _filbuf
 _filelength
@@ -558,6 +559,7 @@
 _get_unexpected
 _get_wpgmptr
 _getc_nolock
+_fgetc_nolock == _getc_nolock
 _getch
 _getch_nolock
 _getche
diff --git a/mingw-w64-crt/lib32/msvcr90d.def.in b/mingw-w64-crt/lib32/msvcr90d.def.in
index f406193..1175bfe 100644
--- a/mingw-w64-crt/lib32/msvcr90d.def.in
+++ b/mingw-w64-crt/lib32/msvcr90d.def.in
@@ -526,6 +526,7 @@
 _fflush_nolock
 _fgetchar
 _fgetwc_nolock
+_getwc_nolock == _fgetwc_nolock
 _fgetwchar
 _filbuf
 _filelength
@@ -619,6 +620,7 @@
 _get_unexpected
 _get_wpgmptr
 _getc_nolock
+_fgetc_nolock == _getc_nolock
 _getch
 _getch_nolock
 _getche
diff --git a/mingw-w64-crt/lib64/msvcr90.def.in b/mingw-w64-crt/lib64/msvcr90.def.in
index 5092b11..c8cf9b2 100644
--- a/mingw-w64-crt/lib64/msvcr90.def.in
+++ b/mingw-w64-crt/lib64/msvcr90.def.in
@@ -413,6 +413,7 @@
 _fflush_nolock
 _fgetchar
 _fgetwc_nolock
+_getwc_nolock == _fgetwc_nolock
 _fgetwchar
 _filbuf
 _filelength
@@ -504,6 +505,7 @@
 _get_unexpected
 _get_wpgmptr
 _getc_nolock
+_fgetc_nolock == _getc_nolock
 _getch
 _getch_nolock
 _getche
diff --git a/mingw-w64-crt/lib64/msvcr90d.def.in b/mingw-w64-crt/lib64/msvcr90d.def.in
index 0b9edc9..2acdc3f 100644
--- a/mingw-w64-crt/lib64/msvcr90d.def.in
+++ b/mingw-w64-crt/lib64/msvcr90d.def.in
@@ -465,6 +465,7 @@
 _fflush_nolock
 _fgetchar
 _fgetwc_nolock
+_getwc_nolock == _fgetwc_nolock
 _fgetwchar
 _filbuf
 _filelength
@@ -559,6 +560,7 @@
 _get_unexpected
 _get_wpgmptr
 _getc_nolock
+_fgetc_nolock == _getc_nolock
 _getch
 _getch_nolock
 _getche