diff --git a/tests/Test_dwf_mixedcg_prec.cc b/tests/Test_dwf_mixedcg_prec.cc
index 84849ff9..a53d8921 100644
--- a/tests/Test_dwf_mixedcg_prec.cc
+++ b/tests/Test_dwf_mixedcg_prec.cc
@@ -104,6 +104,8 @@ int main (int argc, char ** argv)
   std::cout << "Diff between mixed and regular CG: " << diff << std::endl;
 
   #ifdef HAVE_LIME
+  if( GridCmdOptionExists(argv,argv+argc,"--checksums") ){
+  
   std::string file1("./Propagator1");
   std::string file2("./Propagator2");
   emptyUserRecord record;
@@ -125,6 +127,7 @@ int main (int argc, char ** argv)
 						   nersc_csum,scidac_csuma,scidac_csumb);
 
   std::cout << " CG checksums "<<std::hex << scidac_csuma << " "<<scidac_csumb<<std::endl;
+  }
   #endif