diff --git a/compact/central_tracker.xml b/compact/central_tracker.xml
index e15efedc76fcbcbda3cf958f2c0d9d9e40fc4ce5..47d4a87c3361b40db74945c48cda1a2181e24b27 100644
--- a/compact/central_tracker.xml
+++ b/compact/central_tracker.xml
@@ -32,7 +32,7 @@
     <constant name="TrackerBarrelInner_length1"     value="54.0*cm"/>
     <constant name="TrackerBarrelInner_length2"     value="60.0*cm"/>
 
-    <constant name="TrackerBarrelOuter_rmin1"       value="50.0*cm"/>
+    <constant name="TrackerBarrelOuter_rmin1"       value="60.0*cm"/>
     <constant name="TrackerBarrelOuter_rmin2"       value="TrackerBarrelOuter_rmin1 + TrackerBarrelSpaceFrame_width"/>
     <constant name="TrackerBarrelOuter_length1"     value="105.0*cm"/>
     <constant name="TrackerBarrelOuter_length2"     value="114.0*cm"/>