diff --git a/atlite/pv/solar_position.py b/atlite/pv/solar_position.py
index c1780996..92c5722e 100644
--- a/atlite/pv/solar_position.py
+++ b/atlite/pv/solar_position.py
@@ -77,6 +77,8 @@ def SolarPosition(ds, time_shift="0H"):
 
     # Operations make new DataArray eager; reconvert to lazy dask arrays
     chunks = ds.chunksizes.get("time", "auto")
+    if n.ndim == 1:
+        chunks = chunks[0]
     n = n.chunk(chunks)
     hour = hour.chunk(chunks)
     minute = minute.chunk(chunks)