diff --git a/scripts/mk_nuget_release.py b/scripts/mk_nuget_release.py
index c5079ed2c..ba0d44c3e 100644
--- a/scripts/mk_nuget_release.py
+++ b/scripts/mk_nuget_release.py
@@ -38,7 +38,7 @@ def download_installs():
         urllib.request.urlretrieve(url, "packages/%s" % name)
 
 os_info = {"z64-ubuntu-14" : ('so', 'ubuntu.14.04-x64'),
-           'ubuntu-16' : ('so', 'ubuntu.16.04-x64'),
+           'ubuntu-16' : ('so', 'ubuntu-x64'),
            'x64-win' : ('dll', 'win-x64'),
            'x86-win' : ('dll', 'win-x86'),
            'osx' : ('dylib', 'macos'),
@@ -91,11 +91,7 @@ def create_nuget_spec():
         <iconUrl>https://raw.githubusercontent.com/Z3Prover/z3/master/package/icon.jpg</iconUrl>
         <projectUrl>https://github.com/Z3Prover/z3</projectUrl>
         <licenseUrl>https://raw.githubusercontent.com/Z3Prover/z3/master/LICENSE.txt</licenseUrl>
-        <repository
-            type="git"
-            url="https://github.com/Z3Prover/z3.git"
-            branch="master"
-        />
+        <repository type="git" url="https://github.com/Z3Prover/z3.git" />
         <requireLicenseAcceptance>true</requireLicenseAcceptance>
         <language>en</language>
     </metadata>