diff --git a/src/freedombone-image-customise b/src/freedombone-image-customise
index a0d264b398b9c200ef43b6ed1d152ab716c6a2ce..feb017eab6c8e7461d67d0941d37a0d47a23bd2e 100755
--- a/src/freedombone-image-customise
+++ b/src/freedombone-image-customise
@@ -829,7 +829,7 @@ EOF
 
 install_bmx7() {
     # shellcheck disable=SC2086
-    chroot "$rootdir" $INSTALL_PACKAGES libjson-c-dev zlib1g-dev libiw-dev wget
+    chroot "$rootdir" $INSTALL_PACKAGES libjson-c-dev zlib1g-dev libiw-dev wget cmake
 
     git clone "$BMX7_REPO" "$rootdir/etc/bmx7"