1 files changed, 2 insertions, 3 deletions
diff --git a/src/pmt.h b/src/pmt.h
index fb29f4c..b6a0359 100644
--- a/src/pmt.h
+++ b/src/pmt.h
@@ -2,9 +2,8 @@
 #define PMT_H
 
 #define MAX_PMTS 10000
-/* PMT radius (cm). */
-/* FIXME: should be radius of concentrator. */
-#define PMT_RADIUS 10.16
+/* Radius of the PMT concentrator (cm). */
+#define PMT_RADIUS 13.5
 
 /* PMT types from snoman.ratdb. */
 #define PMT_NORMAL      1