diff --git a/modules/img/alg/tests/test_fft.cc b/modules/img/alg/tests/test_fft.cc
index 9c6e951d1e1ca6367ce6da44ef468433e93a4d10..19457aaa036f6efb866e1a0f7294c6970b871335 100644
--- a/modules/img/alg/tests/test_fft.cc
+++ b/modules/img/alg/tests/test_fft.cc
@@ -88,7 +88,8 @@ void Test_C2C_1D_calc(int N)
     Point peak(N/step,0);
     Complex peak_value = out_state->Value(peak);
     Complex calc_peak_value = Complex(sum,0.0);
-    BOOST_REQUIRE(peak_value == calc_peak_value);
+    std::cout << std::abs(peak_value-calc_peak_value);
+    BOOST_REQUIRE(std::abs(peak_value-calc_peak_value)<1e-06);
 
   } catch (alg::FFTException& e) {
     BOOST_ERROR("FFT Exception caught!");
@@ -394,7 +395,7 @@ void Test_DFT(DataType TYPE)
     Real absdiff=std::abs(fi1.GetComplex(it)-fi2.GetComplex(it));
     msg.str("");
     msg << "@" << Point(it) << ": abs(" << fi1.GetComplex(it) << "-" <<fi2.GetComplex(it) << ")="<<absdiff;
-    BOOST_REQUIRE_MESSAGE(absdiff<1e-5,msg.str());
+    BOOST_REQUIRE_MESSAGE(absdiff<1e-4,msg.str());
   }
 
   ImageHandle ri3 = fi1.Apply(alg::DFT());