diff --git a/s/travis-build b/s/travis-build
index 14aff5358..a6c920340 100755
--- a/s/travis-build
+++ b/s/travis-build
@@ -10,6 +10,7 @@ $BUILD/iniparser/inifile eressea.ini add lua:paths lunit:scripts
 fi
 }
 
+set -e
 [ -z $BUILD ] && BUILD=Debug ; export BUILD
 s/cmake-init
 s/build
diff --git a/src/kernel/ship.test.c b/src/kernel/ship.test.c
index 380274a45..dc125cd9b 100644
--- a/src/kernel/ship.test.c
+++ b/src/kernel/ship.test.c
@@ -521,12 +521,10 @@ static void test_shipspeed_damage(CuTest *tc) {
 static void test_shipspeed(CuTest *tc) {
     ship *sh;
     const ship_type *stype;
-    region *r;
     unit *cap, *crew;
 
     test_cleanup();
     sh = setup_ship();
-    r = sh->region;
     stype = sh->type;
 
     CuAssertIntEquals_Msg(tc, "ship without a captain cannot move", 0, shipspeed(sh, NULL));