diff --git a/src/data_sources.py b/src/data_sources.py
index 8d78c68ab..9d7a332c7 100644
--- a/src/data_sources.py
+++ b/src/data_sources.py
@@ -73,7 +73,7 @@ def set_query(self, var: varlist_util.VarlistEntry, path_regex: str):
         if var.is_static:
             freq = "fx"
         else:
-            freq = var.T.frequency.unit
+            freq = var.T.frequency
 
         if not isinstance(freq, str):
             freq = freq.format_local()