1 files changed, 1 insertions, 1 deletions
diff --git a/libio/ioftell.c b/libio/ioftell.c
index 12b90b37f5..ec3b1a2f2e 100644
--- a/libio/ioftell.c
+++ b/libio/ioftell.c
@@ -40,7 +40,7 @@ _IO_ftell (fp)
     {
 #ifdef EIO
       if (errno == 0)
-	errno = EIO;
+	__set_errno (EIO);
 #endif
       return -1L;
     }