diff --git a/src/gui/client/main-window.lisp b/src/gui/client/main-window.lisp
index 07483f2..c958a22 100644
--- a/src/gui/client/main-window.lisp
+++ b/src/gui/client/main-window.lisp
@@ -448,6 +448,9 @@
 (defun scale-targa (main-window file)
   (scale-pixmap main-window file 'nodgui.pixmap:tga))
 
+(defun scale-png (main-window file)
+  (scale-pixmap main-window file 'nodgui.pixmap:png))
+
 (defun inline-image (main-window link-value line-index)
   (multiple-value-bind (file-path mime-type)
       (slurp-iri main-window (remove-standard-port link-value))
@@ -456,6 +459,8 @@
                            (scale-jpeg main-window file-path))
                           ((member mime-type '("image/x-tga" "image/x-targa"))
                            (scale-targa main-window file-path))
+                          ((string= mime-type +mime-type-png+)
+                           (scale-png main-window file-path))
                           (t
                            (gui:make-image file-path))))
           (coordinates `(+ (:line ,line-index :char 0) 1 :lines)))