diff --git a/app-misc/tmux/metadata.xml b/app-misc/tmux/metadata.xml
index 418dd6210..d32abe3a1 100644
--- a/app-misc/tmux/metadata.xml
+++ b/app-misc/tmux/metadata.xml
@@ -7,6 +7,7 @@
 	</maintainer>
 	<use>
 		<flag name="utempter">Include libutempter support</flag>
+        <flag name="sixel">Include SIXEL graphics support</flag>
 	</use>
 	<longdescription>
 		tmux is a "terminal multiplexer", it enables a number of terminals
diff --git a/app-misc/tmux/tmux-9999.ebuild b/app-misc/tmux/tmux-9999.ebuild
index bcd26552a..6ae4ca446 100644
--- a/app-misc/tmux/tmux-9999.ebuild
+++ b/app-misc/tmux/tmux-9999.ebuild
@@ -21,7 +21,7 @@ fi
 
 LICENSE="ISC"
 SLOT="0"
-IUSE="debug selinux systemd utempter vim-syntax"
+IUSE="debug selinux systemd utempter vim-syntax +sixel"
 
 # See https://github.com/tmux/tmux/issues/3531 for minimum ncurses version
 DEPEND="
@@ -64,6 +64,7 @@ src_configure() {
 		$(use_enable debug)
 		$(use_enable systemd)
 		$(use_enable utempter)
+		$(use_enable sixel)
 
 		# For now, we only expose this for macOS, because
 		# upstream strongly encourage it. I'm not sure it's