diff --git a/pyobs/modules/pointing/acquisition.py b/pyobs/modules/pointing/acquisition.py
index 56bfdb74..c0c9bb85 100644
--- a/pyobs/modules/pointing/acquisition.py
+++ b/pyobs/modules/pointing/acquisition.py
@@ -143,6 +143,8 @@ async def _acquire(self, exposure_time: float) -> Dict[str, Any]:
                 log.warning(f"Error in pipeline: {e}. Skipping image.")
 
             # calculate distance from offset
+            if not image.has_meta(OnSkyDistance):
+                raise exc.ImageError("No on sky distance found in meta.")
             osd = image.get_meta(OnSkyDistance)
             if osd is None or np.isnan(osd.distance):
                 log.warning("No on sky distance found in meta.")
diff --git a/pyproject.toml b/pyproject.toml
index 0843b54d..65ada1d9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,7 @@
 [tool.poetry]
 name = "pyobs-core"
 packages = [{ include = "pyobs" }]
-version = "1.6.14"
+version = "1.6.15"
 description = "robotic telescope software"
 authors = ["Tim-Oliver Husser <thusser@uni-goettingen.de>"]
 license = "MIT"