diff --git a/.gitignore b/.gitignore
index 4fdb039..79feee2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,7 @@
 libvibe_core.a
 vibe-core-test-*
 *.exe
+*.lst
 *.obj
 *.sln
 dub.selections.json
diff --git a/.travis.yml b/.travis.yml
index 9ed070a..42ca64e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -26,11 +26,11 @@ matrix:
     - d: dmd-beta
   include:
     - d: dmd
-      CONFIG="select" DUB_FLAGS="--build unittest-cov --build-mode=singleFile"
+      env: CONFIG='select' DUB_FLAGS='--build unittest-cov --build-mode=singleFile'
     - d: dmd
-      CONFIG="epoll" DUB_FLAGS"--build unittest-cov --build-mode=singleFile"
+      env: CONFIG='select' DUB_FLAGS='--build unittest-cov --build-mode=singleFile'
     - d: dmd
-      CONFIG="libasync" DUB_FLAGS="--build unittest-cov --build-mode=singleFile"
+      env: CONFIG='select' DUB_FLAGS='--build unittest-cov --build-mode=singleFile'
 
 script: ./travis-ci.sh