diff --git a/.travis.yml b/.travis.yml
index 7ba03172e..39d3a5c05 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -32,7 +32,7 @@ before_install:
   - sudo apt-get update -qq
 
 install:
-  - sudo apt-get install clang-3.8 clang-format-3.8
+  - sudo apt-get install -f clang-3.8 clang-format-3.8
 
 before_script:
   # Dump useful info.
diff --git a/third_party/elemental-forms b/third_party/elemental-forms
index 69a885421..5478f60bb 160000
--- a/third_party/elemental-forms
+++ b/third_party/elemental-forms
@@ -1 +1 @@
-Subproject commit 69a8854210fb6eefc91ebe238ada625fe1c4627d
+Subproject commit 5478f60bb6e916b7fb2de93a51bf12f9be7c17aa