diff --git a/src/export/html.rs b/src/export/html.rs
index af46085..de627d5 100644
--- a/src/export/html.rs
+++ b/src/export/html.rs
@@ -60,7 +60,7 @@ pub struct DefaultHtmlHandler;
 
 impl HtmlHandler<Error> for DefaultHtmlHandler {
     fn start<W: Write>(&mut self, mut w: W, element: &Element) -> IOResult<()> {
-		let image_pattern = ["png", "jpeg", "jpg", "gif", "tiff", "tif", "xbm", "xpm", "pbm", "pgm", "ppm", "pnm", "svg", "webp"];
+        let image_pattern = ["png", "jpeg", "jpg", "gif", "tiff", "tif", "xbm", "xpm", "pbm", "pgm", "ppm", "pnm", "svg", "webp"];
         match element {
             // container elements
             Element::SpecialBlock(_) => (),
@@ -126,15 +126,15 @@ impl HtmlHandler<Error> for DefaultHtmlHandler {
                 let link_extension = &link.path.split(".").last().unwrap();
                 // Orgmode considers something an image both if the pattern
                 // matches /and/ the description is empty.
-				if image_pattern.contains(link_extension) && link.desc.is_some() {
-					write!(
+                if image_pattern.contains(link_extension) && link.desc.is_some() {
+                    write!(
                         w,
                         "<img src=\"{}\" alt=\"{}\">",
                         HtmlEscape(&link.path),
                         HtmlEscape(link.desc.as_ref().unwrap_or(&link.path)),
                     )?
-				} else {
-				    write!(
+                } else {
+                    write!(
                         w,
                         "<a href=\"{}\">{}</a>",
                         HtmlEscape(&link.path),