diff --git a/install.sh b/install.sh
index 381c8df..e56f174 100755
--- a/install.sh
+++ b/install.sh
@@ -18,5 +18,8 @@ else
     INSTALL_PREFIX=$1
 fi
 
+
+mkdir -p $INSTALL_PREFIX/share/man/man1
+mkdir -p $INSTALL_PREFIX/bin
 install -m 644 ./todo.1 $INSTALL_PREFIX/share/man/man1/todo.1
 install -m 755 ./todo $INSTALL_PREFIX/bin/todo