diff --git a/Systems/fmgc-b.xml b/Systems/fmgc-b.xml
index 83daac8f..c450b24a 100644
--- a/Systems/fmgc-b.xml
+++ b/Systems/fmgc-b.xml
@@ -163,13 +163,13 @@
 				<product>
 					<table>
 						<property>/instrumentation/altimeter/indicated-altitude-ft</property>
-						<entry><ind>26000</ind><dep>0.705</dep></entry>
-						<entry><ind>42000</ind><dep>0.815</dep></entry>
+						<entry><ind>26000</ind><dep>0.722</dep></entry>
+						<entry><ind>42000</ind><dep>0.857</dep></entry>
 					</table>
 					<table>
 						<property>/FMGC/internal/cost-index</property>
-						<entry><ind>  0</ind><dep>0.97</dep></entry>
-						<entry><ind>120</ind><dep>1.03</dep></entry>
+						<entry><ind>  0</ind><dep>0.975</dep></entry>
+						<entry><ind>120</ind><dep>1.035</dep></entry>
 					</table>
 				</product>
 			</expression>