diff --git a/Models/Instruments/Upper-ECAM-EIS2/Upper-ECAM-IAE.xml b/Models/Instruments/Upper-ECAM-EIS2/Upper-ECAM-IAE.xml
index b73c3291..c483c74b 100644
--- a/Models/Instruments/Upper-ECAM-EIS2/Upper-ECAM-IAE.xml
+++ b/Models/Instruments/Upper-ECAM-EIS2/Upper-ECAM-IAE.xml
@@ -1242,7 +1242,6 @@
     	<type>rotate</type>
     	<object-name>n11</object-name>
     	<property>/engines/engine/n1</property>
-		<property>octal</property>
 		<interpolation>
 			<entry><ind> 22</ind><dep>  0</dep></entry>
 			<entry><ind> 40</ind><dep> 47</dep></entry>