diff --git a/main.go b/main.go
index 6b72c83..3eb3322 100644
--- a/main.go
+++ b/main.go
@@ -332,7 +332,7 @@ func (h *editHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 
 	pageText := mp.Get(page).Content
 
-	jsonEditor := pageText[0] == '{'
+	jsonEditor := pageText != "" && pageText[0] == '{'
 
 	var editor template.HTML
 	if jsonEditor {
@@ -401,7 +401,7 @@ func (h *indexHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	jsonPage := pageText[0] == '{'
+	jsonPage := pageText != "" && pageText[0] == '{'
 	if jsonPage {
 		pageText, err = renderJSON(pageText)