diff --git a/src/cloudmesh/common/Shell.py b/src/cloudmesh/common/Shell.py
index 75c702d..8f94e97 100755
--- a/src/cloudmesh/common/Shell.py
+++ b/src/cloudmesh/common/Shell.py
@@ -2192,6 +2192,7 @@ def mkdir(cls, directory):
                 Console.error(e, traceflag=True)
         return False
 
+    @classmethod
     def unzip(cls, source_filename, dest_dir):
         """Unzips a file into the destination directory.