diff --git a/.travis-build.sh b/.travis-build.sh
index df6e236b6..cd87a28c7 100755
--- a/.travis-build.sh
+++ b/.travis-build.sh
@@ -49,7 +49,7 @@ if [ "$TRAVIS_OS_NAME" = "linux" -o -z "$TRAVIS_OS_NAME" ]; then
     export PKG_CONFIG_PATH=$HOME/.local/lib/pkgconfig:$PKG_CONFIG_PATH
 
     mkdir build && cd build
-    cmake ..
+    cmake .. -DENABLE_WEB_SERVICE=1
     make -j4
 
     ctest -VV -C Release
@@ -60,7 +60,7 @@ elif [ "$TRAVIS_OS_NAME" = "osx" ]; then
     export Qt5_DIR=$(brew --prefix)/opt/qt5
 
     mkdir build && cd build
-    cmake .. -GXcode
+    cmake .. -GXcode -DENABLE_WEB_SERVICE=1
     xcodebuild -configuration Release
 
     ctest -VV -C Release
diff --git a/appveyor.yml b/appveyor.yml
index d062a1f3e..dbb548dc4 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -22,7 +22,7 @@ install:
 before_build:
   - mkdir build
   - cd build
-  - cmake -G "Visual Studio 15 2017 Win64" -DCITRA_USE_BUNDLED_QT=1 -DCITRA_USE_BUNDLED_SDL2=1 -DCMAKE_USE_OPENSSL=0 ..
+  - cmake -G "Visual Studio 15 2017 Win64" -DCITRA_USE_BUNDLED_QT=1 -DCITRA_USE_BUNDLED_SDL2=1 -DCMAKE_USE_OPENSSL=0 -DENABLE_WEB_SERVICE=1 ..
   - cd ..
 
 build: