diff --git a/fastly/__init__.py b/fastly/__init__.py
index 7161da4..44a2f34 100755
--- a/fastly/__init__.py
+++ b/fastly/__init__.py
@@ -899,7 +899,7 @@ def get_generated_vcl_html(self, service_id, version_number):
 
 	def set_main_vcl(self, service_id, version_number, name):
 		"""Set the specified VCL as the main."""
-		content = self._fetch("/service/%s/version/%d/vcl/%s/main" % (service_id, version_number, name_key), method="PUT", body=body)
+		content = self._fetch("/service/%s/version/%d/vcl/%s/main" % (service_id, version_number, name), method="PUT")
 		return FastlyVCL(self, content)