diff --git a/ttmpy/README.md b/ttmpy/README.md
index acd8056..f2e68ee 100644
--- a/ttmpy/README.md
+++ b/ttmpy/README.md
@@ -8,7 +8,7 @@ cd ttm
 
 Install OpenBLAS and MLK
 ```bash
-sudo apt install libopenblas-dev libopenblas64-pthread-dev libomp-dev python3-pip python3-virtualenv
+sudo apt install libmkl-dev intel-mkl libopenblas-dev libopenblas64-pthread-dev libomp-dev python3-pip python3-virtualenv
 ```
 
 Navigate to the python wrapper folder
diff --git a/ttmpy/setup.py b/ttmpy/setup.py
index 192708c..a421d57 100644
--- a/ttmpy/setup.py
+++ b/ttmpy/setup.py
@@ -25,7 +25,7 @@ def build_extensions(self):
 #extra_link_args=['-fopenmp']
 
 #IntelMKL
-compile_args = ['-std=c++17','-O3','-fopenmp','-fPIC','-DUSE_MKLBLAS', '-DMKL_ILP64', '-m64']
+compile_args = ['-std=c++17','-O3','-fopenmp','-fPIC','-DUSE_MKL', '-DMKL_ILP64', '-m64']
 include_dirs = ['../include','../../include','pybind11/include','/usr/include/mkl']
 libraries=['m','dl','iomp5']
 extra_link_args=['-Wl,--start-group','/usr/lib/x86_64-linux-gnu/libmkl_intel_ilp64.a','/usr/lib/x86_64-linux-gnu/libmkl_intel_thread.a','/usr/lib/x86_64-linux-gnu/libmkl_core.a','-Wl,--end-group','-fopenmp']
diff --git a/ttmpy/src/wrapped_ttm.cpp b/ttmpy/src/wrapped_ttm.cpp
index 58a35bb..c11611d 100644
--- a/ttmpy/src/wrapped_ttm.cpp
+++ b/ttmpy/src/wrapped_ttm.cpp
@@ -13,6 +13,9 @@
 
 // g++ -Wall -shared -std=c++17 wrapped_ttv.cpp -o ttvpy.so $(python3 -m pybind11 --includes) -I../include -fPIC -fopenmp -DUSE_OPENBLAS -lm -lopenblas
 
+#if ! defined(USE_OPENBLAS) &&  ! defined(USE_MKL) && ! defined(USE_BLIS)
+static_assert(0,"Static assert in ttmpy/ttm: missing specification of define USE_OPENBLAS or USE_MKL or USE_BLIS");
+#endif
 
 namespace py = pybind11;
 
@@ -65,14 +68,14 @@ ttm(std::size_t const contraction_mode,
   // auto nnc          = std::size_t(cinfo.size);
 
  
-#if defined(USE_OPENBLAS) || defined(USE_MKLBLAS)
+#if defined(USE_OPENBLAS) || defined(USE_MKL)
   tlib::ttm<T>(tlib::parallel_policy::omp_forloop_t{}, tlib::slicing_policy::subtensor_t{}, tlib::fusion_policy::outer_t{}, 
                                q, p, 
                                aptr, na.data(), wa.data(), pia.data(),  
                                bptr, nb.data(),            pib.data(), 
                                cptr, nc.data(), wc.data());
 #else 
-  static_assert(0,"Static assert in ttmpy/ttm: missing specification of define USE_OPENBLAS or USE_MKL");
+  
 #endif
 
   return c;