diff --git a/elementary/monitor/alerts/source_freshness_alert.py b/elementary/monitor/alerts/source_freshness_alert.py
index 692e79b59..a78bd61dd 100644
--- a/elementary/monitor/alerts/source_freshness_alert.py
+++ b/elementary/monitor/alerts/source_freshness_alert.py
@@ -163,9 +163,17 @@ def asset_type(self) -> str:
     def concise_name(self) -> str:
         return f"{self.source_name}.{self.identifier}"
 
+    @property
+    def is_runtime_error(self) -> bool:
+        """Whether the freshness check failed to run, in either engine's casing.
+
+        dbt-core writes "runtime error", dbt Fusion writes it capitalized.
+        """
+        return (self.original_status or "").lower() == "runtime error"
+
     @property
     def error_message(self) -> str:
-        if self.original_status == "runtime error":
+        if self.is_runtime_error:
             return f"Failed to calculate the source freshness\n```{self.error}```"
         return self.result_description
 
@@ -178,7 +186,7 @@ def summary(self) -> str:
                 if part
             ]
         )
-        if self.original_status == "runtime error":
+        if self.is_runtime_error:
             return f'Failed to calculate the source freshness of "{source_fqn}"'
         return f'Freshness exceeded the acceptable times on source "{source_fqn}"'
 
diff --git a/elementary/monitor/dbt_project/macros/utils/normalized_source_freshness_status.sql b/elementary/monitor/dbt_project/macros/utils/normalized_source_freshness_status.sql
index 20c3e7fb5..c6c0c38be 100644
--- a/elementary/monitor/dbt_project/macros/utils/normalized_source_freshness_status.sql
+++ b/elementary/monitor/dbt_project/macros/utils/normalized_source_freshness_status.sql
@@ -1,7 +1,12 @@
+{#
+    dbt-core writes source freshness statuses in lowercase ("pass", "warn", "error",
+    "runtime error"), while dbt Fusion writes them capitalized ("Pass", "Warn", "Error").
+    Compare and return them lowercased, so rows from either engine get the same status.
+#}
 {% macro normalized_source_freshness_status(status_column='status') %}
     case
-        when {{ status_column }} = 'error' then 'fail'
-        when {{ status_column }} = 'runtime error' then 'error'
-        else {{ status_column }}
+        when lower({{ status_column }}) = 'error' then 'fail'
+        when lower({{ status_column }}) = 'runtime error' then 'error'
+        else lower({{ status_column }})
     end as normalized_status
 {% endmacro %}
diff --git a/tests/unit/monitor/alerts/test_alert_models.py b/tests/unit/monitor/alerts/test_alert_models.py
index d00bdd0a5..62f72487a 100644
--- a/tests/unit/monitor/alerts/test_alert_models.py
+++ b/tests/unit/monitor/alerts/test_alert_models.py
@@ -55,13 +55,15 @@ def _make_model_alert(
 
 
 def _make_source_freshness_alert(
-    source_name: str = "my_source", identifier: str = "my_table"
+    source_name: str = "my_source",
+    identifier: str = "my_table",
+    original_status: str = "fail",
 ) -> SourceFreshnessAlertModel:
     return SourceFreshnessAlertModel(
         id="id",
         source_name=source_name,
         identifier=identifier,
-        original_status="fail",
+        original_status=original_status,
         path="models/src.yml",
         error=None,
         alert_class_id="acid",
@@ -114,6 +116,24 @@ def test_concise_name_is_source_dot_identifier(self) -> None:
         alert = _make_source_freshness_alert(source_name="raw", identifier="orders")
         assert alert.concise_name == "raw.orders"
 
+    @pytest.mark.parametrize("status", ["runtime error", "Runtime Error"])
+    def test_runtime_error_status_is_case_insensitive(self, status: str) -> None:
+        """dbt-core writes "runtime error", dbt Fusion "Runtime Error": both are runtime errors."""
+        alert = _make_source_freshness_alert(original_status=status)
+        assert alert.is_runtime_error
+        assert (
+            alert.error_message
+            == "Failed to calculate the source freshness\n```None```"
+        )
+        assert alert.summary.startswith("Failed to calculate the source freshness")
+
+    @pytest.mark.parametrize("status", ["error", "Error", "warn", "Pass"])
+    def test_other_statuses_are_not_runtime_errors(self, status: str) -> None:
+        """Other statuses, in either casing, get the freshness-exceeded summary."""
+        alert = _make_source_freshness_alert(original_status=status)
+        assert not alert.is_runtime_error
+        assert alert.summary.startswith("Freshness exceeded the acceptable times")
+
 
 class TestAlertModelDetectedAtTimezone:
     """detected_at is stored in UTC (naive) in the alerts table and must be