diff --git a/.travis.yml b/.travis.yml
index 1ee4e70..51e4e2f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -30,7 +30,7 @@ install:
     resf="ghc-$GHCVER.yaml"
     echo "resolver: ghc-$GHCVER" > "$resf"
     echo "packages: ['.']" >> "$resf"
-    stack --no-terminal solver --update-config --stack-yaml="$resf"
+    stack --no-terminal solver --update-config --stack-yaml="$resf" || exit 101
     sed -i 's/^resolver:/compiler:/;s/^extra-deps:/packages:/' "$resf"
     echo "resolver: { name: 'ghc-$GHCVER', location: './$resf' }" > stack.yaml
     echo "packages: ['.']" >> stack.yaml