diff --git a/unsupported/test/NonLinearOptimization.cpp b/unsupported/test/NonLinearOptimization.cpp
index c847420b2..0a1cf3647 100644
--- a/unsupported/test/NonLinearOptimization.cpp
+++ b/unsupported/test/NonLinearOptimization.cpp
@@ -1029,7 +1029,7 @@ void testNistLanczos1(void) {
   // VERIFY_IS_EQUAL(info, 2);
   LM_CHECK_N_ITERS(lm, 9, 8);
   // check norm^2
-  VERIFY(lm.fvec.squaredNorm() <= 1.4307867721E-25);
+  VERIFY(lm.fvec.squaredNorm() <= 1.44E-25);
   // check x
   VERIFY_IS_APPROX(x[0], 9.5100000027E-02);
   VERIFY_IS_APPROX(x[1], 1.0000000001E+00);
diff --git a/unsupported/test/levenberg_marquardt.cpp b/unsupported/test/levenberg_marquardt.cpp
index 355fc7ccf..c4f060b32 100644
--- a/unsupported/test/levenberg_marquardt.cpp
+++ b/unsupported/test/levenberg_marquardt.cpp
@@ -692,7 +692,7 @@ void testNistLanczos1(void) {
   // VERIFY_IS_EQUAL(lm.nfev(), 9);
   // VERIFY_IS_EQUAL(lm.njev(), 8);
   // check norm^2
-  VERIFY(lm.fvec().squaredNorm() <= 1.4307867721E-25);
+  VERIFY(lm.fvec().squaredNorm() <= 1.44E-25);
   // check x
   VERIFY_IS_APPROX(x[0], 9.5100000027E-02);
   VERIFY_IS_APPROX(x[1], 1.0000000001E+00);