diff --git a/linux_cross/install_apt.sh b/linux_cross/install_apt.sh
index 4addde2..c9a2f55 100644
--- a/linux_cross/install_apt.sh
+++ b/linux_cross/install_apt.sh
@@ -54,7 +54,7 @@ apt-get install -y \
 qtbase5-dev-tools \
 qttools5-dev-tools
 
-apt-get install \
+apt-get install -y \
 $toolchain \
 libbz2-dev:$arch \
 libffi-dev:$arch \