diff --git a/Aircraft/c172p/c172p-set.xml b/Aircraft/c172p/c172p-set.xml
index 36c7867cd..395efd1eb 100644
--- a/Aircraft/c172p/c172p-set.xml
+++ b/Aircraft/c172p/c172p-set.xml
@@ -157,7 +157,7 @@ Started October 23 2001 by John Check, fgpanels@rockfish.net
  </consumables>
 
  <instrumentation>
-  <kma20 include="../Instruments-3d/kma20/kma20init.xml"/>
+  <kma20 include="Aircraft/Instruments-3d/kma20/kma20init.xml"/>
   <attitude-indicator>
    <config>
     <tumble-flag archive="y" type="bool">true</tumble-flag>