diff --git a/.travis.yml b/.travis.yml
index 3cadc4ed..bd106ecd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,7 +11,9 @@ matrix:
         os: linux
       - language: python
         python: 3.5
-        env: JULIA_VERSION=juliareleases
+        env:
+          - JULIA_VERSION=juliareleases
+          - CROSS_VERSION=1
         os: linux
       - language: python
         python: 3.5
@@ -65,7 +67,6 @@ before_script:
   - which ${PYTHON:-python}
 script:
   - julia -e 'Pkg.add("PyCall")'
-  - julia -e 'Pkg.checkout("PyCall"); Pkg.build("PyCall")'
   - /usr/bin/python --version
   - PYTHON=${PYTHON:-python}
   - echo $PYTHON
diff --git a/appveyor.yml b/appveyor.yml
index 0f94101c..9a45dbf1 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -70,7 +70,7 @@ build_script:
   # - C:\projects\julia\bin\julia -e "versioninfo(); Pkg.add(\"PyCall\"); Pkg.init(); Pkg.resolve()"
   # - C:\projects\julia\bin\julia -e "using PyCall; @assert isdefined(:PyCall); @assert typeof(PyCall) === Module"
   - "SET PYTHON=%PYTHONDIR%\\python.exe"
-  - C:\projects\julia\bin\julia -e "versioninfo(); Pkg.add(\"PyCall\"); Pkg.checkout(\"PyCall\"); Pkg.build(\"PyCall\")"
+  - C:\projects\julia\bin\julia -e "versioninfo(); Pkg.add(\"PyCall\")"
 
 test_script:
   - "SET PATH=%PYTHONDIR%;%PYTHONDIR%\\Scripts;C:\\projects\\julia\\bin;%PATH%"
diff --git a/julia/core.py b/julia/core.py
index b2982d04..87383afd 100644
--- a/julia/core.py
+++ b/julia/core.py
@@ -30,6 +30,8 @@
 # this is python 3.3 specific
 from types import ModuleType, FunctionType
 
+from setuptools.pep425tags import get_abi_tag
+
 #-----------------------------------------------------------------------------
 # Classes and funtions
 #-----------------------------------------------------------------------------
@@ -356,8 +358,9 @@ def __init__(self, init_julia=True, jl_runtime_path=None, jl_init_path=None,
                 os.environ["PYCALL_LIBJULIA_PATH"] = os.path.dirname(libjulia_path)
                 # Add a private cache directory. PyCall needs a different
                 # configuration and so do any packages that depend on it.
-                self._call(u"unshift!(Base.LOAD_CACHE_PATH, abspath(Pkg.Dir._pkgroot()," +
-                    "\"lib\", \"pyjulia%s-v$(VERSION.major).$(VERSION.minor)\"))" % sys.version_info[0])
+                self._call(u"unshift!(Base.LOAD_CACHE_PATH, abspath(Pkg.Dir._pkgroot(),"
+                           "\"lib\", \"pyjulia.{}-v$(VERSION.major).$(VERSION.minor)\"))"
+                           .format(get_abi_tag()))
                 # If PyCall.ji does not exist, create an empty file to force
                 # recompilation
                 self._call(u"""