diff --git a/openstack/compute/v2/extensions/secgroups/fixtures.go b/openstack/compute/v2/extensions/secgroups/fixtures.go
index 1c6ba39..8c42e48 100644
--- a/openstack/compute/v2/extensions/secgroups/fixtures.go
+++ b/openstack/compute/v2/extensions/secgroups/fixtures.go
@@ -242,6 +242,7 @@
 
 		w.Header().Add("Content-Type", "application/json")
 		w.WriteHeader(http.StatusAccepted)
+		fmt.Fprintf(w, `{}`)
 	})
 }
 
@@ -261,5 +262,6 @@
 
 		w.Header().Add("Content-Type", "application/json")
 		w.WriteHeader(http.StatusAccepted)
+		fmt.Fprintf(w, `{}`)
 	})
 }