diff --git a/metadata/im.vector.alpha.txt b/metadata/im.vector.alpha.txt
index a18a6b6f66..a8d52fc23e 100644
--- a/metadata/im.vector.alpha.txt
+++ b/metadata/im.vector.alpha.txt
@@ -763,7 +763,8 @@ Build:0.8.15,81500
 Build:0.8.16,81600
     commit=v0.8.16
     subdir=vector
-    sudo=curl -Lo node.tar.xz https://nodejs.org/dist/v8.12.0/node-v8.12.0-linux-x64.tar.xz && \
+    sudo=apt-get install -y g++ && \
+        curl -Lo node.tar.xz https://nodejs.org/dist/v8.12.0/node-v8.12.0-linux-x64.tar.xz && \
         echo "29a20479cd1e3a03396a4e74a1784ccdd1cf2f96928b56f6ffa4c8dae40c88f2 node.tar.xz" | sha256sum -c - && \
         tar xJf node.tar.xz && \
         cp -a node-v8.12.0-linux-x64/. /usr/local/ && \