diff --git a/pvl_lambertw.m b/pvl_lambertw.m
index 0c45dd9..1857c62 100644
--- a/pvl_lambertw.m
+++ b/pvl_lambertw.m
@@ -55,7 +55,7 @@
    dw = c2./(c1.*w1 - ((w + 2).*c2./(2*w1)));
    w = w - dw;
 
-   if all(abs(dw) < 0.7e-16*(2+abs(w)))
+   if all(abs(dw) < eps*(2+abs(w)))
       break;
    end
 end