diff --git a/.travis/build b/.travis/build
index 9a55f232c72712149ae0856e843907a88d7e6dfc..007beac982562df8c21550e8ab5d7d6bcbfa3406 100755
--- a/.travis/build
+++ b/.travis/build
@@ -18,7 +18,9 @@ mkdir -p "$install_dir"
 
 # Setup environment variables.
 export LD_LIBRARY_PATH="$install_dir/lib:$LD_LIBRARY_PATH"
+export LD_LIBRARY_PATH="$install_dir/lib/`dpkg-architecture -qDEB_BUILD_MULTIARCH`:$LD_LIBRARY_PATH"
 export PKG_CONFIG_PATH="$install_dir/lib/pkgconfig:$PKG_CONFIG_PATH"
+export PKG_CONFIG_PATH="$install_dir/lib/`dpkg-architecture -qDEB_BUILD_MULTIARCH`/pkgconfig:$PKG_CONFIG_PATH"
 
 # Retrieve jrl-mathtools
 echo "--> Compiling jrl-mathtools"