diff --git a/.travis.yml b/.travis.yml
index 2fc34a29..e8fe1ce1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -31,6 +31,10 @@ matrix:
     language: generic
     addons: { apt: { packages: [ libgmp-dev ] } }
     compiler: ghc-7.10
+  - env: BUILD=stack RESOLVER=ghc-7.8
+    language: generic
+    addons: { apt: { packages: [ libgmp-dev ] } }
+    compiler: ghc-7.8
   - env: BUILD=stack RESOLVER=ghc-8.0
     os: osx
     language: generic
@@ -70,6 +74,7 @@ script:
 - |
   set -ex
   if [ "x${RUNTEST}" = "xfalse" ]; then exit 0; fi
+  if [ ! "x${RESOLVER}" = "ghc-7.8" ]; then HADDOCK_OPTS="--haddock --no-haddock-deps"; fi
   case "$BUILD" in
     stack)
       rm stack.yaml && ln -sv .travis/stack-${RESOLVER}.yaml stack.yaml
@@ -77,7 +82,7 @@ script:
           --flag foundation:bounds-check ${EXPERIMENTAL} \
           --install-ghc \
           --coverage --bench --no-run-benchmarks \
-          --haddock --no-haddock-deps
+          $HADDOCK_OPTS
       ;;
     cabal)
       cabal install --only-dependencies --enable-tests