diff --git a/cpp/ql/src/Critical/DoubleFree.qhelp b/cpp/ql/src/Critical/DoubleFree.qhelp
index 0b38858eae4..3e086de98dd 100644
--- a/cpp/ql/src/Critical/DoubleFree.qhelp
+++ b/cpp/ql/src/Critical/DoubleFree.qhelp
@@ -20,7 +20,7 @@ most deallocation functions will perform a null-pointer check before attempting
 </p>
 
 </recommendation>
-<example><sample src="DoubleFree.cpp" />
+<example><sample src="DoubleFreeBad.cpp" />
 </example>
 <references>
 
diff --git a/cpp/ql/src/Critical/DoubleFree.cpp b/cpp/ql/src/Critical/DoubleFreeBad.cpp
similarity index 100%
rename from cpp/ql/src/Critical/DoubleFree.cpp
rename to cpp/ql/src/Critical/DoubleFreeBad.cpp