diff --git a/src/Mod/Assembly/App/opendcm/core/kernel.hpp b/src/Mod/Assembly/App/opendcm/core/kernel.hpp
index 8094e44bd..392dc43da 100644
--- a/src/Mod/Assembly/App/opendcm/core/kernel.hpp
+++ b/src/Mod/Assembly/App/opendcm/core/kernel.hpp
@@ -66,7 +66,7 @@ struct Dogleg {
     typedef typename Kernel::number_type number_type;
     number_type tolg, tolx, tolf;
 
-    Dogleg() : tolg(1e-40), tolx(1e-20), tolf(1e-8) {
+    Dogleg() : tolg(1e-40), tolx(1e-20), tolf(1e-6) {
 
 #ifdef USE_LOGGING
         log.add_attribute("Tag", attrs::constant< std::string >("Dogleg"));