1 files changed, 2 insertions, 2 deletions

diff --git a/src/page.rs b/src/page.rs
index 5e1a22e..e05f2e2 100644
--- a/src/page.rs
+++ b/src/page.rs
@@ -142,7 +142,7 @@ pub trait Page: Sized {
         )(Self::render_content(self)))
     }
 
-    fn write_page(self) -> Result<()> {
+    fn write_page(mut self) -> Result<()> {
         self.prepare_content()?;
         let page_html = self.render_page().into_string();
         let mut cfg = Cfg::new();
@@ -156,7 +156,7 @@ pub trait Page: Sized {
     }
 
     // use this to validate and prepare the content for the page, e.g. files
-    fn prepare_content(&self) -> Result<()> {
+    fn prepare_content(&mut self) -> Result<()> {
         Ok(())
     }
 }