diff --git a/pmd/bin/cpd.sh b/pmd/bin/cpd.sh
index e0c65b0bf4..8dc99cf838 100755
--- a/pmd/bin/cpd.sh
+++ b/pmd/bin/cpd.sh
@@ -41,7 +41,8 @@ done
 
 
 MINIMUM_SIZE=100
+LANGUAGE=cpp
 
 # echo "CLASSPATH: $classpath"
 
-java -cp $classpath net.sourceforge.pmd.cpd.CPD $MINIMUM_SIZE $DIRECTORY cpp
+java -cp $classpath net.sourceforge.pmd.cpd.CPD --minimum-tokens $MINIMUM_SIZE --files $DIRECTORY --language $LANGUAGE
diff --git a/pmd/xdocs/credits.xml b/pmd/xdocs/credits.xml
index 2ca6a297b2..25d898cfb6 100644
--- a/pmd/xdocs/credits.xml
+++ b/pmd/xdocs/credits.xml
@@ -48,7 +48,7 @@
         </subsection>
         <subsection name="Contributors">
         <ul>
-            <li>Jarkko Hietaniemin - tweaked C/CPP grammar to allow $ in identifiers, several CPD documentation suggestions, noted missing CPD scripts in binary release</li>
+            <li>Jarkko Hietaniemin - reported missing flags in cpd.sh, tweaked C/CPP grammar to allow $ in identifiers, several CPD documentation suggestions, noted missing CPD scripts in binary release</li>
             <li>Dawid Weiss - Reported bug in UnusedPrivateMethod</li>
             <li>Shao Lo - Reported bug in CPD</li>
             <li>D'Arcy Smith - Reported missing RuleViolation methods</li>