diff --git a/eat.el b/eat.el
index 62028db..323923e 100644
--- a/eat.el
+++ b/eat.el
@@ -6468,6 +6468,21 @@ PROGRAM can be a shell command."
     (setf (eat-term-ring-bell-function eat--terminal) #'eat--bell)
     (setf (eat-term-set-cwd-function eat--terminal) #'eat--set-cwd)
     (setf (eat-term-set-cmd-function eat--terminal) #'eat--set-cmd)
+    (setf (eat-term-parameter eat--terminal 'sixel-display-method)
+          (cond ((and (display-graphic-p)
+                      (image-type-available-p 'svg))
+                 'svg)
+                ((char-displayable-p ?▄) 'half-block)
+                (t 'background)))
+    (when (display-graphic-p)
+      (setf (eat-term-parameter eat--terminal 'sixel-image-height)
+            (cons (/ (float (default-font-height))
+                     (font-get
+                      (font-spec :name (face-font 'default))
+                      :size))
+                  'em)))
+    (setf (eat-term-parameter eat--terminal 'char-dimensions)
+          (cons (default-font-width) (default-font-height)))
     (setf (eat-term-parameter eat--terminal 'eat--process) proc)
     (unless (>= emacs-major-version 29)
       (setf (eat-term-parameter eat--terminal 'eat--input-process)