diff --git a/1994/shapiro/.gitignore b/1994/shapiro/.gitignore
index 5eca08f15..4b3d057e5 100644
--- a/1994/shapiro/.gitignore
+++ b/1994/shapiro/.gitignore
@@ -6,6 +6,7 @@ indent.c
 indent.o
 prog.orig
 shapiro
+shapiro.alt
 shapiro.orig
 shapiro_t1
 shapiro_t2