diff --git a/.travis.yml b/.travis.yml
index d3b3e4b..f327227 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -245,7 +245,7 @@ matrix:
         apt:
           packages:
             - clang-5.0
-            - g++-7-multilib
+            - g++-6-multilib
             - linux-libc-dev:i386
           sources:
             - ubuntu-toolchain-r-test