diff --git a/src/models.py b/src/models.py
index aa6427d..75bdbc0 100644
--- a/src/models.py
+++ b/src/models.py
@@ -25,7 +25,7 @@ class Medication(BaseModel):
     rxcui: str
     dosage: str
     frequency: str
-    frequencyDescription: str
+    frequencyDescription: str = ''
     description: str
 
 class IssueDetail(BaseModel):