diff --git a/build.sh b/build.sh
index 79fedd3..03dda51 100755
--- a/build.sh
+++ b/build.sh
@@ -10,6 +10,9 @@ cp -f config.h st-final/
 cd st-final || exit 1
 if [ "$1" = "-i" ]; then
     sudo make install
+elif [ "$1" = "-ti" ]; then
+    make terminfo
+    cp -a terminfo /usr/share
 else
     make
 fi