diff --git a/pyobs/modules/focus/focusseries.py b/pyobs/modules/focus/focusseries.py
index 302b730d..cc614b67 100644
--- a/pyobs/modules/focus/focusseries.py
+++ b/pyobs/modules/focus/focusseries.py
@@ -193,10 +193,16 @@ async def _auto_focus(self, count: int, step: float, exposure_time: float, **kwa
             log.info("Downloading image...")
             image = await self.vfs.read_image(filename)
 
+            # get actual focus
+            if self._offset:
+                actual_focus = await focuser.get_focus_offset()
+            else:
+                actual_focus = await focuser.get_focus()
+
             # analyse
             log.info("Analysing picture...")
             try:
-                await self._series.analyse_image(image, foc)
+                await self._series.analyse_image(image, actual_focus)
             except:
                 # do nothing...
                 log.info("Could not analyse image.")
diff --git a/pyproject.toml b/pyproject.toml
index 908680c4..278a3e09 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "pyobs-core"
-version = "1.39.8"
+version = "1.39.9"
 description = "robotic telescope software"
 authors = [{ name = "Tim-Oliver Husser", email = "thusser@uni-goettingen.de" }]
 requires-python = ">=3.11"
diff --git a/uv.lock b/uv.lock
index 59a5b9b9..c08e25b2 100644
--- a/uv.lock
+++ b/uv.lock
@@ -2254,7 +2254,7 @@ wheels = [
 
 [[package]]
 name = "pyobs-core"
-version = "1.39.8"
+version = "1.39.9"
 source = { editable = "." }
 dependencies = [
     { name = "aiohttp" },