diff --git a/.travis.yml b/.travis.yml
index dfd92de..88f5377 100755
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,7 +12,7 @@ python:
 install:
     - pip wheel -f wheelhouse cython pysam numpy || true
     - pip install -f wheelhouse cython pysam biopython requests pyfasta pyvcf numpy || true
-    - pip install -e https://github.com/nedbat/coveragepy.git#egg=coverage
+    - pip install -e git+https://github.com/nedbat/coveragepy.git#egg=coverage
     - python setup.py install
     - if [ ! -f samtools-1.2 ]; then curl -sL https://github.com/samtools/samtools/releases/download/1.2/samtools-1.2.tar.bz2 | tar -xjv; fi
     - cd samtools-1.2