diff --git a/appveyor.yml b/appveyor.yml
index 99b862b9..5926bdeb 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -12,20 +12,24 @@ environment:
       - PYTHON: "C:\\Python27"
         PYTHON_VERSION: "2.7.x"
         PYTHON_ARCH: "32"
+        PLAT_NAME: "win32"
 
       - PYTHON: "C:\\Python27-x64"
         PYTHON_VERSION: "2.7.x"
         PYTHON_ARCH: "64"
+        PLAT_NAME: "win-amd64"
 
       - PYTHON: "C:\\Python34"
         PYTHON_VERSION: "3.4.x"
         PYTHON_ARCH: "32"
         WINDOWS_SDK_VERSION: "v7.1"
+        PLAT_NAME: "win32"
 
       - PYTHON: "C:\\Python34-x64"
         PYTHON_VERSION: "3.4.x"
         PYTHON_ARCH: "64"
         WINDOWS_SDK_VERSION: "v7.1"
+        PLAT_NAME: "win-amd64"
 
 platform:
   - x64
@@ -70,7 +74,7 @@ after_test:
   - ECHO "DONE!"
   - dir
   - ECHO "BUILDING WHEELS..."
-  - "%PYTHON%/python setup.py bdist_wheel"
+  - "%PYTHON%/python setup.py bdist_wheel --plat-name=%PLAT_NAME%"
 
 artifacts:
   - path: dist\*
diff --git a/appveyor/makeDynamicSpice.bat b/appveyor/makeDynamicSpice.bat
index 2333f62b..9396a5fc 100644
--- a/appveyor/makeDynamicSpice.bat
+++ b/appveyor/makeDynamicSpice.bat
@@ -34,7 +34,7 @@ set cl= /c /nologo -D_COMPLEX_DEFINED -DMSDOS -DOMIT_BLANK_CC  >nul
 
 rename zzsecprt.x zzsecprt.c
 
-cl zzsecprt.c
+cl zzsecprt.c >nul
 
 dir /b *.obj > temp.lst
 @echo on
diff --git a/setup.py b/setup.py
index 3da89ca5..5ab3e27b 100644
--- a/setup.py
+++ b/setup.py
@@ -209,7 +209,7 @@ def windows_method():
         include_package_data=True,
         zip_safe=False,
         distclass=BinaryDistribution,
-        package_data={'': ['*.so', "*.dll"]},
+        package_data={'': ['spiceypy/utils/*.so', "spiceypy/utils/*.dll"]},
         install_requires=['six'],
         requires=['numpy', 'pytest', 'six'],
         tests_require=['pytest', 'numpy', 'six'],