diff --git a/skgstat/Kriging.py b/skgstat/Kriging.py
index 99fa0b6..c041926 100644
--- a/skgstat/Kriging.py
+++ b/skgstat/Kriging.py
@@ -41,7 +41,7 @@ def __init__(
             solver='inv',
             n_jobs=1,
             perf=False,
-            sparse=True
+            sparse=False
     ):
         """Ordinary Kriging routine