diff --git a/src/freedombone-image-customise b/src/freedombone-image-customise
index 1adaa05e..e9208d5f 100755
--- a/src/freedombone-image-customise
+++ b/src/freedombone-image-customise
@@ -1657,7 +1657,7 @@ image_install_inadyn() {
         mkdir -p "$rootdir/root/build"
     fi
     chroot "$rootdir" apt-get -yq install build-essential curl libgnutls28-dev automake1.11 libconfuse-dev
-    chroot "$rootdir" apt-get -yq install gnutls-dev libconfuse-dev pkg-config
+    chroot "$rootdir" apt-get -yq install gnutls-dev libconfuse-dev pkg-config libtool
 
     if [ -d /repos/inadyn ]; then
         mkdir "$rootdir/root/build/inadyn"
diff --git a/src/freedombone-utils-web b/src/freedombone-utils-web
index 76080651..81a70e2a 100755
--- a/src/freedombone-utils-web
+++ b/src/freedombone-utils-web
@@ -513,7 +513,7 @@ function install_dynamicdns {
     # https version 1.99.8
 
     apt-get -yq install build-essential curl libgnutls28-dev automake1.11
-    apt-get -yq install gnutls-dev libconfuse-dev pkg-config
+    apt-get -yq install gnutls-dev libconfuse-dev pkg-config libtool
 
     if [ ! -d "$INSTALL_DIR/inadyn" ]; then
         if [ -d /repos/inadyn ]; then