diff --git a/app/user.go b/app/user.go
index bb21866..3037869 100644
--- a/app/user.go
+++ b/app/user.go
@@ -86,7 +86,11 @@ func showPost(state *ui.State, post ttbp.Post) {
 	vt.TERM = os.Getenv("TERM")
 	vt.Attach(state.PostEvent())
 	vt.Focus()
-	err := vt.Start(exec.Command(os.ExpandEnv(os.Getenv("PAGER")), path.Join("/home", post.Author, ".ttbp/entries", post.Date.Format("20060102")+".txt")))
+	pager := os.ExpandEnv(os.Getenv("PAGER"))
+	if pager == "" {
+		pager = "less"
+	}
+	err := vt.Start(exec.Command(pager, path.Join("/home", post.Author, ".ttbp/entries", post.Date.Format("20060102")+".txt")))
 	if err != nil {
 		panic(err)
 	}