diff --git a/qvm-tools/qvm-trim-template b/qvm-tools/qvm-trim-template
index d5812210..038d8310 100755
--- a/qvm-tools/qvm-trim-template
+++ b/qvm-tools/qvm-trim-template
@@ -134,6 +134,7 @@ def main():
                                 'vm': 'dom0',
                                 'device': tvm.root_img,
                                 'mode': 'w',
+                                'desc': '',
                             },
                             mode='w',
                             frontend='xvdi')
@@ -168,4 +169,4 @@ def main():
 
 
 if __name__ == "__main__":
-    main()
\ No newline at end of file
+    main()