1 files changed, 1 insertions, 1 deletions
diff --git a/win/tclWinChan.c b/win/tclWinChan.c
index 67a12a0..d06ff50 100644
--- a/win/tclWinChan.c
+++ b/win/tclWinChan.c
@@ -962,7 +962,7 @@ Tcl_MakeFileChannel(rawHandle, mode)
     int mode;			/* ORed combination of TCL_READABLE and
                                  * TCL_WRITABLE to indicate file mode. */
 {
-#ifdef HAVE_NO_SEH
+#if defined(HAVE_NO_SEH) && !defined(_WIN64)
     EXCEPTION_REGISTRATION registration;
 #endif
     char channelName[16 + TCL_INTEGER_SPACE];