diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e87e751..b3bd829 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -13,10 +13,13 @@ variables:
 # set up the basic job
 .runtests:
   before_script:
-    - "conda create --prefix /root/factordev --channel conda-forge --file requirements.txt python=${PYVERSION} codecov nose nose-cov --yes --quiet"
+    - "conda create --prefix /root/factordev --channel conda-forge --file requirements.txt python=${PYVERSION} curl nose nose-cov --yes --quiet"
     - /root/factordev/bin/pip install -e .
+    - /root/factordev/bin/curl -o /root/factordev/bin/codecov https://uploader.codecov.io/latest/linux/codecov
+    - chmod +x /root/factordev/bin/codecov
   script:
     - "/root/factordev/bin/nosetests ${TESTFILES}"
+    - "/root/factordev/bin/coverage xml"
   after_script:
     - /root/factordev/bin/codecov
 
diff --git a/factor_analyzer/confirmatory_factor_analyzer.py b/factor_analyzer/confirmatory_factor_analyzer.py
index 2e9655f..7b2a4c3 100644
--- a/factor_analyzer/confirmatory_factor_analyzer.py
+++ b/factor_analyzer/confirmatory_factor_analyzer.py
@@ -741,7 +741,7 @@ def fit(self, X, y=None):
         # so that we can avoid using linear programming methods (e.g. SLSQP)
         res = minimize(
             self._objective,
-            x0,
+            x0.flatten(),
             method="L-BFGS-B",
             options={"maxiter": self.max_iter, "disp": self.disp},
             bounds=self.bounds,