diff --git a/esbo_etc/classes/Entry.py b/esbo_etc/classes/Entry.py
index 90d3ea6..d0b727f 100644
--- a/esbo_etc/classes/Entry.py
+++ b/esbo_etc/classes/Entry.py
@@ -37,6 +37,8 @@ class Entry(object):
         attribs = list(xml.attrib.keys())
         units = list(filter(re.compile(".*_unit$").match, attribs))
         for unit in units:
+            # enable imperial units
+            u.imperial.enable()
             var = unit.replace("_unit", "")
             if hasattr(self, var):
                 try: