diff --git a/horusgui/__init__.py b/horusgui/__init__.py
index df0ed33..8a3be2e 100755
--- a/horusgui/__init__.py
+++ b/horusgui/__init__.py
@@ -1 +1 @@
-__version__ = "0.3.12"
+__version__ = "0.3.13"
diff --git a/horusgui/config.py b/horusgui/config.py
index 464fa42..301e141 100644
--- a/horusgui/config.py
+++ b/horusgui/config.py
@@ -76,7 +76,7 @@ def read_config(widgets):
     """ Read in configuration settings from Qt """
     global qt_settings, default_config
 
-    OK_VERSIONS = [__version__, '0.3.11', '0.3.10', '0.3.9', '0.3.8', '0.3.7', '0.3.6', '0.3.5', '0.3.4', '0.3.1', '0.2.1']
+    OK_VERSIONS = [__version__, '0.3.12', '0.3.11', '0.3.10', '0.3.9', '0.3.8', '0.3.7', '0.3.6', '0.3.5', '0.3.4', '0.3.1', '0.2.1']
     
     # Try and read in the version parameter from QSettings
     if qt_settings.value("version") not in OK_VERSIONS:
diff --git a/horusgui/gui.py b/horusgui/gui.py
index 82e4c80..d5607d7 100644
--- a/horusgui/gui.py
+++ b/horusgui/gui.py
@@ -1016,7 +1016,7 @@ def handle_new_packet(frame):
                     widgets['latestPacketElevationValue'].setText(f"{_position_info['elevation']:.1f}")
                     widgets['latestPacketRangeValue'].setText(f"{_position_info['straight_distance']/1000.0:.1f}")
 
-                    if rotator:
+                    if rotator and not ( _decoded['latitude'] == 0.0 and _decoded['longitude'] == 0.0 ):
                         try:
                             rotator.set_azel(_position_info['bearing'], _position_info['elevation'], check_response=False)
                             widgets["rotatorCurrentPositionValue"].setText(f"{_position_info['bearing']:3.1f}˚,  {_position_info['elevation']:2.1f}˚")
diff --git a/pyproject.toml b/pyproject.toml
index 03d5934..547bb0c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "horusgui"
-version = "0.3.12"
+version = "0.3.13"
 description = ""
 authors = ["Mark Jessop <vk5qi@rfhead.net>"]
 
@@ -12,7 +12,7 @@ PyQt5 = "^5.13.0"
 pyqtgraph = "^0.11.0"
 pyaudio = "^0.2.11"
 "ruamel.yaml" = "^0.16.10"
-horusdemodlib = "^0.3.10"
+horusdemodlib = "^0.3.12"
 
 [tool.poetry.dev-dependencies]
 
diff --git a/requirements.txt b/requirements.txt
index d66a12f..ff84a75 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,4 +5,4 @@ PyQt5
 pyqtgraph==0.12.4
 ruamel.yaml
 requests
-horusdemodlib>=0.3.6
+horusdemodlib>=0.3.12