diff --git a/RecoTracker/MkFitCore/BuildFile.xml b/RecoTracker/MkFitCore/BuildFile.xml
index 7ccecdb78f361..e4a40d6ec9cd2 100644
--- a/RecoTracker/MkFitCore/BuildFile.xml
+++ b/RecoTracker/MkFitCore/BuildFile.xml
@@ -2,6 +2,10 @@
 <use name="json"/>
 <use name="tbb"/>
 <flags CXXFLAGS="-fopenmp-simd"/>
+<architecure name="el8_amd64_.*"/>
+  <flags CXXFLAGS="-ffast-math"/>
+  <flags LDFLAGS="-lmvec"/>
+</architecture>
 <flags ADD_SUBDIR="1"/>
 <export>
   <lib name="RecoTrackerMkFitCore"/>