diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 27d0caefe..d34ab0e8f 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,7 @@
+2007-01-10  Corinna Vinschen  <corinna@vinschen.de>
+
+	* syscalls.cc (sync): Use b_drive for B: drive (Thanks to Howard Chu).
+
 2007-01-09  Corinna Vinschen  <corinna@vinschen.de>
 
 	* syscalls.cc (getpagesize): Change condition for clarity.
diff --git a/winsup/cygwin/syscalls.cc b/winsup/cygwin/syscalls.cc
index 72f9e5b0f..775b29e0c 100644
--- a/winsup/cygwin/syscalls.cc
+++ b/winsup/cygwin/syscalls.cc
@@ -1124,7 +1124,7 @@ sync ()
       if (is_floppy ("A:"))
 	GetVolumeNameForVolumeMountPointA ("A:\\", a_drive, CYG_MAX_PATH);
       if (is_floppy ("B:"))
-	GetVolumeNameForVolumeMountPointA ("B:\\", a_drive, CYG_MAX_PATH);
+	GetVolumeNameForVolumeMountPointA ("B:\\", b_drive, CYG_MAX_PATH);
 
       HANDLE sh = FindFirstVolumeA (vol, CYG_MAX_PATH);
       if (sh != INVALID_HANDLE_VALUE)