diff --git a/.travis.yml b/.travis.yml
index 50a6ba31..b8f41616 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -36,6 +36,6 @@ matrix:
         - CMAKE_PATH="/c/Program Files/CMake/bin"
       script: 
         - export PATH=$CMAKE_PATH:$PATH
-        - cmake -DUSE_TLS=1 -DUSE_WS=1 -DUSE_MBED_TLS=1 -DUSE_VENDORED_THIRD_PARTY=1 .
-        - cmake --build --parallel .
+        #  - cmake -DUSE_TLS=1 -DUSE_WS=1 -DUSE_MBED_TLS=1 -DUSE_VENDORED_THIRD_PARTY=1 .
+        #  - cmake --build --parallel .
         - python test/run.py
diff --git a/test/run.py b/test/run.py
index 6ce5dc24..8163fbb2 100755
--- a/test/run.py
+++ b/test/run.py
@@ -99,8 +99,10 @@ def runCMake(sanitizer, buildDir):
         #generator = '"NMake Makefiles"'
         #generator = '"Visual Studio 16 2019"'
         generator = '"Visual Studio 15 2017"'
+        USE_VENDORED_THIRD_PARTY = 'ON'
     else:
         generator = '"Unix Makefiles"'
+        USE_VENDORED_THIRD_PARTY = 'OFF'
 
     CMAKE_BUILD_TYPE = BUILD_TYPE
 
@@ -110,6 +112,7 @@ def runCMake(sanitizer, buildDir):
     -DCMAKE_BUILD_TYPE={CMAKE_BUILD_TYPE} \
     -DUSE_TLS=1 \
     -DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
+    -DUSE_VENDORED_THIRD_PARTY={USE_VENDORED_THIRD_PARTY} \
     -G{generator}'
 
     cmakeCmd = fmt.format(**locals())