diff --git a/packages/ttyd/build.sh b/packages/ttyd/build.sh
index b416b9956..e5a740eb7 100644
--- a/packages/ttyd/build.sh
+++ b/packages/ttyd/build.sh
@@ -4,3 +4,4 @@ TERMUX_PKG_VERSION=1.4.2
 TERMUX_PKG_SHA256=ff1a66b418df6cd741868a8ea84f69cd63f15e52e3fa117641ec57d3c37a1315
 TERMUX_PKG_SRCURL=https://github.com/tsl0922/ttyd/archive/$TERMUX_PKG_VERSION.tar.gz
 TERMUX_PKG_DEPENDS="json-c, libwebsockets, libutil"
+TERMUX_PKG_EXTRA_CONFIGURE_ARGS="-DCMAKE_XXD=`which xxd`"