diff --git a/Systems/cfm56-sound.xml b/Systems/cfm56-sound.xml
index c51fa4e9..30b50854 100644
--- a/Systems/cfm56-sound.xml
+++ b/Systems/cfm56-sound.xml
@@ -997,7 +997,7 @@
/engines/engine[0]/n1-actual0.01
0.15 0.00
- 0.19 0.10
+ 0.19 0.00
0.25 0.15
0.42 0.30
0.55 0.70
@@ -1030,7 +1030,7 @@
/engines/engine[1]/n1-actual0.01
0.15 0.00
- 0.19 0.10
+ 0.19 0.00
0.25 0.15
0.42 0.30
0.55 0.70