diff --git a/cppcheck-errors.rng b/cppcheck-errors.rng
index dd134e319..57ce4224c 100644
--- a/cppcheck-errors.rng
+++ b/cppcheck-errors.rng
@@ -10,7 +10,7 @@
       <element name="cppcheck">
         <attribute name="version">
           <data type="string">
-            <param name="pattern">[1-9]\.[0-9]+</param>
+            <param name="pattern">[1-9]\.[0-9]+.*</param>
           </data>
         </attribute>
       </element>
diff --git a/tools/dmake.cpp b/tools/dmake.cpp
index d16a3caa4..bcd34cf4f 100644
--- a/tools/dmake.cpp
+++ b/tools/dmake.cpp
@@ -481,7 +481,7 @@ int main(int argc, char **argv)
     fout << "/tmp/errorlist.xml: cppcheck\n";
     fout << "\t./cppcheck --errorlist >$@\n";
     fout << "/tmp/example.xml: cppcheck\n";
-    fout << "\t./cppcheck --xml --enable=all --inconclusive --suppress=operatorEqVarError:*check.h --max-configs=1 -j 4 cli externals gui lib test 2>/tmp/example.xml\n";
+    fout << "\t./cppcheck --xml --enable=all --inconclusive --max-configs=1 samples 2>/tmp/example.xml\n";
     fout << "createXMLExamples:/tmp/errorlist.xml /tmp/example.xml\n";
     fout << ".PHONY: validateXML\n";
     fout << "validateXML: createXMLExamples\n";