diff --git a/.travis.yml b/.travis.yml
index 2a379d5c..8f40a3ba 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -22,8 +22,8 @@ before_install:
 - sudo ./build-scripts/install_gssntlmssp.sh
 install:
 - pip install --upgrade pip setuptools
-- pip install .
 - pip install -r requirements-test.txt
+- pip install .
 - pip install coveralls
 
 script:
diff --git a/appveyor.yml b/appveyor.yml
index 12ca4cfa..4b66cf44 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -74,4 +74,4 @@ install:
 build: off  # Do not run MSBuild, build stuff at install step
 
 test_script:
-- cmd: py.test -v --instafail --pep8 --cov pypsrp --cov-report term-missing
\ No newline at end of file
+- cmd: py.test -v --instafail --pep8 --cov pypsrp --cov-report term-missing
diff --git a/requirements-test.txt b/requirements-test.txt
index 3cdadb68..50a77a72 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -6,4 +6,5 @@ pytest-cov
 pytest-pep8
 pytest-instafail
 pyyaml
-requests-credssp>=1.0.0
\ No newline at end of file
+requests-credssp>=1.0.0
+pycparser<=2.18; python_version<"2.7"