diff --git a/lib/msk144d2.f90 b/lib/msk144d2.f90
index 9670af69b..02706fddf 100644
--- a/lib/msk144d2.f90
+++ b/lib/msk144d2.f90
@@ -38,6 +38,7 @@ program msk144d2
   ntol=100
   nrxfreq=1500
   mycall=''
+  mygrid='EN50WC'
   hiscall=''
   bShMsgs=.false.
   bcontest=.false.