diff --git a/chap8p1.sh b/chap8p1.sh
index 69b057b..8e2178a 100644
--- a/chap8p1.sh
+++ b/chap8p1.sh
@@ -339,7 +339,7 @@ make install &&
 make install-html &&
 cd .. &&
 rm -rf "$LFS_GMP" &&
-echo "Finished 8.19 ""$LFS_GMP""" >> build.txt &&
+echo "Finished 8.19 ""$LFS_GMP""" >> build.log &&
 echo "$LFS_GMP" >> /installed.txt
 
 echo "8.20 ""$LFS_MPFR"""