diff --git a/05_animate_using_vdb.py b/05_animate_using_vdb.py
index 51fcbd4..a6f7eb4 100644
--- a/05_animate_using_vdb.py
+++ b/05_animate_using_vdb.py
@@ -50,5 +50,5 @@ def load_and_render_stl(filename, baseFolder=baseFolder, mat=mat, outfolder=outf
 filenames = os.listdir(baseFolder)
 
 for filename in filenames:
-	if filename[-3:]=='stl':
-		load_and_render_stl(filename)
\ No newline at end of file
+	if filename[-3:]=='vdb':
+		load_and_render_stl(filename)