diff --git a/scripts/test-all.sh b/scripts/test-all.sh
index a8a66e99..8f531b9d 100755
--- a/scripts/test-all.sh
+++ b/scripts/test-all.sh
@@ -25,7 +25,7 @@ prepare_sandbox () {
         (cd "$s" && $CABAL sandbox init --sandbox=../.cabal-sandbox/ && $CABAL sandbox add-source .)
     done
     if $TRAVIS ; then
-        travis_retry $CABAL install -v --enable-tests ${SOURCES[@]}
+        travis_retry $CABAL install --enable-tests ${SOURCES[@]}
     else
         $CABAL install --enable-tests ${SOURCES[@]}
     fi