diff --git a/swash/sws/SPEC_buoy.sws b/swash/sws/SPEC_buoy.sws
index dfd7602..ccb8704 100644
--- a/swash/sws/SPEC_buoy.sws
+++ b/swash/sws/SPEC_buoy.sws
@@ -25,7 +25,7 @@ INIT ZERO
 BOUN SHAP JON SIG PEAK DSPR DEGR
 BOUN SIDE W BTYPE WEAK SMOOT 10 SEC ADDBOUNDWAVE CON SPECT 7.31 16.9 0 0 CYCLE 20 MIN
 BOUN SIDE E BTYPE SOMMERFELD
-
+SPON E 150
 
 $***********************   PHYSICS  *******************************************
 BRE 0.6 0.2