diff --git a/isacc_messaging/models/isacc_fhirdate.py b/isacc_messaging/models/isacc_fhirdate.py
index c5a4371..4bd0a24 100644
--- a/isacc_messaging/models/isacc_fhirdate.py
+++ b/isacc_messaging/models/isacc_fhirdate.py
@@ -36,4 +36,4 @@ def __repr__(self):
 
 
 DEEP_PAST = IsaccFHIRDate("1975-01-01T00:00:00Z")
-DEEP_FUTURE = IsaccFHIRDate("2025-01-01T00:00:00Z")
\ No newline at end of file
+DEEP_FUTURE = IsaccFHIRDate("2050-01-01T00:00:00Z")
\ No newline at end of file
diff --git a/isacc_messaging/models/isacc_patient.py b/isacc_messaging/models/isacc_patient.py
index 02f0679..85705ca 100644
--- a/isacc_messaging/models/isacc_patient.py
+++ b/isacc_messaging/models/isacc_patient.py
@@ -254,7 +254,7 @@ def mark_followup_extension(self, persist_on_change=True):
 
         save_value = oldest_reply
         if not oldest_reply:
-            # without any pending outgoing messages, add a bogus value deep in the past to keep the patient
+            # without any pending outgoing messages, add a bogus value deep in the future to keep the patient
             # in the search (searching by extension will eliminate patients without said extension)
             save_value = DEEP_FUTURE