1 files changed, 1 insertions, 0 deletions
diff --git a/generic/tclIOUtil.c b/generic/tclIOUtil.c
index 115c132..4df7f36 100644
--- a/generic/tclIOUtil.c
+++ b/generic/tclIOUtil.c
@@ -460,6 +460,7 @@ FsThrExitProc(
 	ckfree(fsRecPtr);
 	fsRecPtr = tmpFsRecPtr;
     }
+    tsdPtr->filesystemList = NULL;
     tsdPtr->initialized = 0;
 }