diff --git a/propulsion_design/propulsion_design_conf.xml b/propulsion_design/propulsion_design_conf.xml
index 66b5b9294a7e4bd9457f845c0fa7cad4930f9bfb..776f3ce2ab342d9c144c8454bb0c59664d02b4f0 100644
--- a/propulsion_design/propulsion_design_conf.xml
+++ b/propulsion_design/propulsion_design_conf.xml
@@ -121,7 +121,7 @@
 					</BPR>
 				</Empirical>
 				<Rubber description="Settings for rubber engine designer. Selector: PW1127G-JM / V2527-A5">
-                    <engine_model><value>PW1127G-JM_mod</value></engine_model>
+                    <engine_model><value>PW1127G-JM</value></engine_model>
                 </Rubber>
 				<GasTurb description="Settings for gasTurb interface engine designer">
 				</GasTurb>