diff --git a/coin/provisioning/qtci-linux-Ubuntu-16.04-x86_64/02-apt.sh b/coin/provisioning/qtci-linux-Ubuntu-16.04-x86_64/02-apt.sh
index 40e07fe6..e78cba17 100755
--- a/coin/provisioning/qtci-linux-Ubuntu-16.04-x86_64/02-apt.sh
+++ b/coin/provisioning/qtci-linux-Ubuntu-16.04-x86_64/02-apt.sh
@@ -124,6 +124,7 @@ installPackages+=(curl)
 installPackages+=(libicu-dev)
 installPackages+=(zlib1g-dev)
 installPackages+=(zlib1g)
+installPackages+=(zlib1g:i386)
 installPackages+=(openjdk-8-jdk)
 installPackages+=(libgtk-3-dev)
 installPackages+=(ninja-build)