diff --git a/include/flucoma/data/FluidTensor.hpp b/include/flucoma/data/FluidTensor.hpp
index 0b437df0..c0e85ccb 100644
--- a/include/flucoma/data/FluidTensor.hpp
+++ b/include/flucoma/data/FluidTensor.hpp
@@ -106,6 +106,7 @@ class FluidTensor //: public FluidTensorBase<T,N>
     static_assert(std::is_convertible<U, T>::value,
                   "Cannot convert between container value types");
     std::copy(x.begin(), x.end(), mContainer.begin());
+    std::cout << "Debug failing test (value) \n" << x << '\n' << *this; 
   }
 
   template <typename U, size_t M>
@@ -117,6 +118,7 @@ class FluidTensor //: public FluidTensorBase<T,N>
                   "Cannot convert between container value types");
 
     std::copy(x.begin(), x.end(), mContainer.begin());
+    std::cout << "Debug failing test (view) \n" << x << '\n' << *this; 
   }
 
   /// Conversion assignment
diff --git a/tests/data/TestFluidTensor.cpp b/tests/data/TestFluidTensor.cpp
index bcca9f07..2b1973bd 100644
--- a/tests/data/TestFluidTensor.cpp
+++ b/tests/data/TestFluidTensor.cpp
@@ -160,12 +160,16 @@ TEST_CASE("FluidTensor can be copied","[FluidTensor]"){
   }
 
   SECTION("Copy conversion") {
-      const FluidTensor<double, 2> y(x);  
-      CHECK(y.size() == x.size()); 
-      CHECK(y.rows() == x.rows()); 
-      CHECK(y.cols() == x.cols()); 
+      const  FluidTensor<int, 2> x2{{0,1,2,3,4},{5,6,7,8,9}};  
+      const FluidTensor<double, 2> y(x2);  
+      CHECK(y.size() == x2.size()); 
+      CHECK(y.rows() == x2.rows()); 
+      CHECK(y.cols() == x2.cols()); 
       CHECK(y.descriptor() == x.descriptor()); 
-      CHECK(std::equal(y.begin(),y.end(),x.begin())); 
+      CHECK(std::equal(y.begin(),y.end(),x2.begin())); 
+      std::cout << "Copy Conversion Debug" << y << '\n' << x2; 
+
+
   }
 }