diff --git a/blobstore/src/main/clojure/org/jclouds/blobstore2.clj b/blobstore/src/main/clojure/org/jclouds/blobstore2.clj
index d1dfcbd47b..757561a275 100644
--- a/blobstore/src/main/clojure/org/jclouds/blobstore2.clj
+++ b/blobstore/src/main/clojure/org/jclouds/blobstore2.clj
@@ -223,7 +223,7 @@ Options can also be specified for extension modules
 
 (defn clear-container
   "Clear a container."
-  [^BlobStore container-name]
+  [^BlobStore blobstore container-name]
   (.clearContainer blobstore container-name))
 
 (defn delete-container
@@ -348,4 +348,4 @@ Options can also be specified for extension modules
   (.getETag blob))
 
 (defn blob-md5 [blob]
-  (.getContentMD5 blob))
\ No newline at end of file
+  (.getContentMD5 blob))