diff --git a/README.md b/README.md
index 1d9513ced416c37b6f7f86289c6df21c376efe4a..5c5431b2f40f4525be3017ec24c041cc4682dd57 100644
--- a/README.md
+++ b/README.md
@@ -110,6 +110,7 @@ Next change the version in the following places:
 
 # Release Notes
 
+* 0.11.1 Fix event unsubscription in TemperatureManager
 * 0.11.0 Added StationManager device
 * 0.10.0 Add `AntennaToSdpMapper` and fpga_sdp_info_* mapped attributes in `Antennafield` device
 * 0.9.0 Statistics writer: moved the whole functionality to lofar-station-client repository
diff --git a/tangostationcontrol/VERSION b/tangostationcontrol/VERSION
index d9df1bbc0c7befdbc28d61efc28ed3e5c08d015f..af88ba824866fdf61bd6e3c8f83203f5d93d062b 100644
--- a/tangostationcontrol/VERSION
+++ b/tangostationcontrol/VERSION
@@ -1 +1 @@
-0.11.0
+0.11.1
diff --git a/tangostationcontrol/tangostationcontrol/devices/temperature_manager.py b/tangostationcontrol/tangostationcontrol/devices/temperature_manager.py
index d68bbfe3247486cdf1a77b3466fa59c88917348a..35aca48310b97f6b8b0ba9d02cf010d7659b9e3d 100644
--- a/tangostationcontrol/tangostationcontrol/devices/temperature_manager.py
+++ b/tangostationcontrol/tangostationcontrol/devices/temperature_manager.py
@@ -137,9 +137,16 @@ class TemperatureManager(LOFARDevice):
         super().configure_for_off()
 
         # unsubscribe from all events
-        for dev_attr in self.temp_error_attrs.values():
-            dev_attr.proxy.unsubscribe_event(dev_attr.subscription_id)
-            del dev_attr
+        for attr_name in list(self.temp_error_attrs.keys()):
+            try:
+                dev_attr = self.temp_error_attrs[attr_name]
+                dev_attr.proxy.unsubscribe_event(dev_attr.subscription_id)
+            except Exception as e:
+                raise Exception(
+                    f"Failed to unsubscribe from event regarding device {dev_attr.proxy.dev_name()} attribute {attr_name}"
+                ) from e
+            finally:
+                del self.temp_error_attrs[attr_name]
 
     is_alarming_R = attribute(
         dtype=bool,