diff --git a/spgemm/mkl_xphi/README.md b/spgemm/mkl_xphi/README.md
index 000310609222a7f89a585adc1c147d2a2af0c1e3..73ac1d5887354cdbebf673332cbd0c6a69d0e3b1 100644
--- a/spgemm/mkl_xphi/README.md
+++ b/spgemm/mkl_xphi/README.md
@@ -34,7 +34,7 @@ Parallelism is provided by MKL.
 new starts
 
 - 10. Instructions on how to compile the code
-cmake .
+cc=icc cmake .
 make
 
 - 11. Instructions on how to run the code