diff --git a/src/Makefile b/src/Makefile
index c2c27404..cf9bf900 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -557,7 +557,7 @@ nnue-learn: config-sanity
 	$(MAKE) CXXFLAGS='$(CXXFLAGS) -DEVAL_LEARN -DEVAL_NNUE -DUSE_EVAL_HASH -DUSE_AVX2 -DUSE_SSE2' build
 
 nnue-learn-use-blas: config-sanity
-	$(MAKE) CXXFLAGS='$(CXXFLAGS) -DEVAL_LEARN -DEVAL_NNUE -DUSE_EVAL_HASH -DUSE_AVX2 -DUSE_SSE2 -DUSE_BLAS -I/mingw64/include/OpenBLAS' LDFLAGS='$(LDFLAGS) -lopenblas' build
+	$(MAKE) CXXFLAGS='$(CXXFLAGS) -DEVAL_LEARN -DEVAL_NNUE -DUSE_EVAL_HASH -DUSE_AVX2 -DUSE_SSE2 -DUSE_BLAS -I/mingw64/include/OpenBLAS -fopenmp' LDFLAGS='$(LDFLAGS) -lopenblas -fopenmp' build
 
 .depend:
 	-@$(CXX) $(DEPENDFLAGS) -MM $(OBJS:.o=.cpp) > $@ 2> /dev/null