diff --git a/do_oclint.sh b/do_oclint.sh
index 1889889..424b1fe 100755
--- a/do_oclint.sh
+++ b/do_oclint.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
-cpp_files=`find . | egrep "^\./boost_graph_cookbook_1/.*\.cpp$"| egrep -v "_test\.cpp$"`
-h_files=`find . | egrep "^\./boost_graph_cookbook_1/.*_.*\.h$"`
+cpp_files=$(find . | egrep "^\./boost_graph_cookbook_1/.*\.cpp$"| egrep -v "_test\.cpp$")
+h_files=$(find . | egrep "^\./boost_graph_cookbook_1/.*_.*\.h$")
 
 ./oclint-0.10.3/bin/oclint -o oclint.log \
   -disable-rule ShortVariableName \
@@ -36,4 +36,4 @@ then
 else
   echo "OCLint: Fail"
   exit 1
-fi
\ No newline at end of file
+fi