diff --git a/src/multipass.f90 b/src/multipass.f90
index 570c39c..45c069a 100644
--- a/src/multipass.f90
+++ b/src/multipass.f90
@@ -149,8 +149,9 @@ contains
     iwait = iroff(:,i)                                                                     ! copy ray status for current beam from global ray status
     if(all(iwait)) then                                                                    ! no rays active => stop beam
       iboff = .true.
-    else if(.not.all(.not.iwait)) then                                                     ! only some rays active
-      write (msg,'("  beam ",g0,": some rays are active!")') i
+    else if (any(iwait)) then
+      ! only some rays active
+      write (msg,'("  beam ",g0,": only some rays are active!")') i
       call log_warning(msg, mod='multipass', proc='initbeam')
     end if