diff --git a/examples/mio/skdef.hsd b/examples/mio/skdef.hsd
index 2624d05d..08ac7980 100644
--- a/examples/mio/skdef.hsd
+++ b/examples/mio/skdef.hsd
@@ -308,8 +308,8 @@ OnecenterParameters {
     $StandardDeltaFilling
     Calculator = SlaterAtom {
       Exponents {
-	S = 0.5 1.2 2.9 7.0
-	P = 0.5 1.2 2.9 7.0
+	S = 0.5 1.21 2.9 7.0
+	P = 0.5 1.21 2.9 7.0
       }
       MaxPowers {
 	S = 3