diff --git a/utils/travis/steps/install.sh b/utils/travis/steps/install.sh
index 0452d2dafd7..e29c8587abc 100755
--- a/utils/travis/steps/install.sh
+++ b/utils/travis/steps/install.sh
@@ -8,15 +8,15 @@ export PLAY_TEST=true
 export MP_TEST=true
 export WML_TEST_TIME=15
 export BOOST_TEST=true
-export LTO=false
 
 if [ "$OPT" = "-O0" ]; then
     export EXTRA_FLAGS_RELEASE="-O0"
     export PLAY_TEST=false
     export MP_TEST=false
     export WML_TEST_TIME=20
-else
-    # change to true to enable LTO on optimized, non-xcode builds
+fi
+
+if [ "$LTO" == "" ]; then
     export LTO=false
 fi