diff --git a/e3dc/_e3dc.py b/e3dc/_e3dc.py
index 8aac428..ab859ed 100644
--- a/e3dc/_e3dc.py
+++ b/e3dc/_e3dc.py
@@ -461,7 +461,20 @@ def get_idle_periods(self, keepAlive: bool = False):
             (RscpTag.EMS_REQ_GET_IDLE_PERIODS, RscpType.NoneType, None),
             keepAlive=keepAlive,
         )
-        if idlePeriodsRaw[0] != RscpTag.EMS_GET_IDLE_PERIODS:
+
+        raw = idlePeriodsRaw[0]
+
+        if isinstance(raw, RscpTag):
+            tag = raw
+        elif isinstance(raw, str):
+            try:
+                tag = RscpTag[raw]
+            except KeyError:
+                return None
+        else:
+            return None
+
+        if tag != RscpTag.EMS_GET_IDLE_PERIODS:
             return None
 
         idlePeriods: dict[str, list[dict[str, Any]]] = {
@@ -664,8 +677,8 @@ def set_idle_periods(
                     else:
                         raise TypeError("period in " + idle_type + " is not a dict")
 
-                else:
-                    raise TypeError(idle_type + " is not a dict")
+            else:
+                raise TypeError(idle_type + " is not a dict")
 
         result = self.sendRequest(
             (RscpTag.EMS_REQ_SET_IDLE_PERIODS, RscpType.Container, periodList),