diff --git a/pyproject.toml b/pyproject.toml
index 5e3a9bb..57a2d6e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "velocyto"
-version = "0.30.0"
+version = "0.30.1"
 description = "RNA velocity analysis for single cell RNA-seq data"
 authors = ["Linnarsson Lab <sten.linnarsson@ki.se>"]
 license = "BSD-2-Clause"
diff --git a/src/velocyto/commands/_run.py b/src/velocyto/commands/_run.py
index ae2df52..6595ccf 100644
--- a/src/velocyto/commands/_run.py
+++ b/src/velocyto/commands/_run.py
@@ -219,7 +219,7 @@ def _run(
     #     ca[key] = np.full(len(cell_bcs_order), value)
 
     # Save to loom file
-    outfile = outputfolder.joinpath(f"{sampleid}.loom")
+    outfile = outputfolder.joinpath(f"{sampleid}.h5ad")
     logger.debug(f"Generating output file {outfile}")
 
     # row attributes