diff --git a/src/sample.c b/src/sample.c
index a0999bf..6b1a9b8 100644
--- a/src/sample.c
+++ b/src/sample.c
@@ -340,7 +340,7 @@ static float	compute_fwhmrange(float *fwhm, int nfwhm, float maxvar,
     nw = 1;
   var = BIG;
 
-  for (nw = nfwhm / 4; var > maxvar / 2 && nw > 0; nw /= 2) {
+  for (; var > maxvar / 2 && nw > 0; nw /= 2) {
     dfmin = BIG;
     fmin = 0.0;
     fwhmt = fwhm;