diff --git a/lib/ft8/ft8b_1.f90 b/lib/ft8/ft8b_1.f90
index 954354bc2..784329374 100644
--- a/lib/ft8/ft8b_1.f90
+++ b/lib/ft8/ft8b_1.f90
@@ -179,7 +179,7 @@ subroutine ft8b_1(dd0,newdat,nQSOProgress,nfqso,nftx,ndepth,lapon,lapcqonly,   &
      bmetap(i2)=r2
      bmetap(i1)=r1
 ! Max log metric
-     psl=log(ps)
+     psl=log(ps+1e-32)
      r1=max(psl(1),psl(3),psl(5),psl(7))-max(psl(0),psl(2),psl(4),psl(6))
      r2=max(psl(2),psl(3),psl(6),psl(7))-max(psl(0),psl(1),psl(4),psl(5))
      r4=max(psl(4),psl(5),psl(6),psl(7))-max(psl(0),psl(1),psl(2),psl(3))
diff --git a/lib/ft8/ft8b_2.f90 b/lib/ft8/ft8b_2.f90
index 07e3ae3b6..991e141bc 100644
--- a/lib/ft8/ft8b_2.f90
+++ b/lib/ft8/ft8b_2.f90
@@ -179,7 +179,7 @@ subroutine ft8b_2(dd0,newdat,nQSOProgress,nfqso,nftx,ndepth,lapon,lapcqonly,   &
      bmetap(i2)=r2
      bmetap(i1)=r1
 ! Max log metric
-     psl=log(ps)
+     psl=log(ps+1e-32)
      r1=max(psl(1),psl(3),psl(5),psl(7))-max(psl(0),psl(2),psl(4),psl(6))
      r2=max(psl(2),psl(3),psl(6),psl(7))-max(psl(0),psl(1),psl(4),psl(5))
      r4=max(psl(4),psl(5),psl(6),psl(7))-max(psl(0),psl(1),psl(2),psl(3))