diff --git a/inst/tests/froll.Rraw b/inst/tests/froll.Rraw
index 62cfd259a3..f2bf1ec9d5 100644
--- a/inst/tests/froll.Rraw
+++ b/inst/tests/froll.Rraw
@@ -125,7 +125,7 @@ anserr = list(
 )
 errs = sapply(lapply(anserr, abs), sum, na.rm=TRUE)
 if (!(.Platform$OS.type=="windows" && getDTthreads()>1L)) { # windows 2+ threads rounding issue: #3346
-  test(9999.024, errs[["froll_exact"]]==0)
+  if (.Machine$sizeof.longdouble == 16L) test(9999.024, errs[["froll_exact"]]==0) # only where long double available, otherwise we get noLD CRAN note
   test(9999.025, errs[["froll_fast"]]>errs[["froll_exact"]])
 }
 test(9999.026, errs[["fastma"]]>errs[["froll_exact"]])