diff --git a/src/NativeProviders/Linux/mkl_build.sh b/src/NativeProviders/Linux/mkl_build.sh
index 391abfe1..b2ae5c36 100644
--- a/src/NativeProviders/Linux/mkl_build.sh
+++ b/src/NativeProviders/Linux/mkl_build.sh
@@ -7,10 +7,10 @@ export OUT=../../../out/MKL/Linux
 mkdir -p $OUT/x64
 mkdir -p $OUT/x86
 
-g++ -std=c++11 -DGCC -m64 --shared -fPIC -o $OUT/x64/MathNet.Numerics.MKL.dll -I$MKL/include -I../Common ../MKL/memory.c ../MKL/capabilities.cpp ../MKL/vector_functions.c ../MKL/blas.c ../MKL/lapack.cpp -Wl,--start-group  $MKL/lib/intel64/libmkl_intel_lp64.a $MKL/lib/intel64/libmkl_intel_thread.a $MKL/lib/intel64/libmkl_core.a -Wl,--end-group -L$OPENMP/intel64 -liomp5 -lpthread -lm  
+g++ -std=c++11 -D_M_X64 -DGCC -m64 --shared -fPIC -o $OUT/x64/MathNet.Numerics.MKL.dll -I$MKL/include -I../Common ../MKL/memory.c ../MKL/capabilities.cpp ../MKL/vector_functions.c ../MKL/blas.c ../MKL/lapack.cpp -Wl,--start-group  $MKL/lib/intel64/libmkl_intel_lp64.a $MKL/lib/intel64/libmkl_intel_thread.a $MKL/lib/intel64/libmkl_core.a -Wl,--end-group -L$OPENMP/intel64 -liomp5 -lpthread -lm  
 
 cp $OPENMP/intel64/libiomp5.so  $OUT/x64/
 
-g++ -std=c++11 -DGCC -m32 --shared -fPIC -o $OUT/x86/MathNet.Numerics.MKL.dll -I$MKL/include -I../Common ../MKL/memory.c ../MKL/capabilities.cpp ../MKL/vector_functions.c ../MKL/blas.c ../MKL/lapack.cpp -Wl,--start-group $MKL/lib/ia32/libmkl_intel.a $MKL/lib/ia32/libmkl_intel_thread.a $MKL/lib/ia32/libmkl_core.a -Wl,--end-group -L$OPENMP/ia32 -liomp5 -lpthread -lm  
+g++ -std=c++11 -D_M_IX86 -DGCC -m32 --shared -fPIC -o $OUT/x86/MathNet.Numerics.MKL.dll -I$MKL/include -I../Common ../MKL/memory.c ../MKL/capabilities.cpp ../MKL/vector_functions.c ../MKL/blas.c ../MKL/lapack.cpp -Wl,--start-group $MKL/lib/ia32/libmkl_intel.a $MKL/lib/ia32/libmkl_intel_thread.a $MKL/lib/ia32/libmkl_core.a -Wl,--end-group -L$OPENMP/ia32 -liomp5 -lpthread -lm  
 
 cp $OPENMP/ia32/libiomp5.so  $OUT/x86/