diff --git a/setup.py b/setup.py
index 1305b23..3a5803e 100644
--- a/setup.py
+++ b/setup.py
@@ -29,7 +29,7 @@ def read(*names, **kwargs):
 
 
 class BuildWithPTH(build):
-    def run(self):
+    def run(self, **kwargs):
         build.run(self)
         path = join(dirname(__file__), 'src', 'pytest-cov.pth')
         dest = join(self.build_lib, basename(path))
@@ -37,7 +37,7 @@ class BuildWithPTH(build):
 
 
 class EasyInstallWithPTH(easy_install):
-    def run(self):
+    def run(self, **kwargs):
         easy_install.run(self)
         path = join(dirname(__file__), 'src', 'pytest-cov.pth')
         dest = join(self.install_dir, basename(path))
@@ -45,7 +45,7 @@ class EasyInstallWithPTH(easy_install):
 
 
 class InstallLibWithPTH(install_lib):
-    def run(self):
+    def run(self, **kwargs):
         install_lib.run(self)
         path = join(dirname(__file__), 'src', 'pytest-cov.pth')
         dest = join(self.install_dir, basename(path))
@@ -57,7 +57,7 @@ class InstallLibWithPTH(install_lib):
 
 
 class DevelopWithPTH(develop):
-    def run(self):
+    def run(self, **kwargs):
         develop.run(self)
         path = join(dirname(__file__), 'src', 'pytest-cov.pth')
         dest = join(self.install_dir, basename(path))