diff --git a/propulsion_design/propulsion_design_conf.xml b/propulsion_design/propulsion_design_conf.xml
index 27878dc508de758841c8c0028ffd7c4ac15488b0..ad72df2d397d9a9d38b2a1bd2ea419767ad97718 100644
--- a/propulsion_design/propulsion_design_conf.xml
+++ b/propulsion_design/propulsion_design_conf.xml
@@ -5,7 +5,7 @@
 			<value>CSMR-2020.xml</value>
 		</aircraft_exchange_file_name>
         <aircraft_exchange_file_directory description="Specify the direction in which the aircraft exchange file can be found">
-            <value>../projects/CSMR/CSMR-2020</value>
+            <value>../projects/CSMR/CSMR-2020/</value>
 		</aircraft_exchange_file_directory>
         <own_tool_level description="Specify the tool level of this tool">
 			<value>3</value>