diff --git a/src/cli/oneacct b/src/cli/oneacct
index 91d0399eb6..4d623cd2d3 100755
--- a/src/cli/oneacct
+++ b/src/cli/oneacct
@@ -77,7 +77,7 @@ class AcctHelper
             end
 
             column :TIME, "Group of the User", :right, :size=>15 do |d|
-                OpenNebulaHelper.time_to_str(d[:time])
+                OpenNebulaHelper.period_to_str(d[:time])
             end
 
             default :VMID, :MEMORY, :CPU, :NETRX, :NETTX, :TIME