diff --git a/engine/NamedList.cpp b/engine/NamedList.cpp
index 663639ac..831dc0af 100644
--- a/engine/NamedList.cpp
+++ b/engine/NamedList.cpp
@@ -127,13 +127,13 @@ NamedList& NamedList::clearParam(const String& name, char childSep)
 }
 
 // Remove a specific parameter
-NamedList& NamedList::clearParam(NamedString* param)
+NamedList& NamedList::clearParam(NamedString* param, bool delParam)
 {
     if (!param)
 	return *this;
     ObjList* o = m_params.find(param);
     if (o)
-	o->remove();
+	o->remove(delParam);
     XDebug(DebugInfo,"NamedList::clearParam(%p) found=%p",param,o);
     return *this;
 }
diff --git a/yateclass.h b/yateclass.h
index 91bc8f0f..9871c23d 100644
--- a/yateclass.h
+++ b/yateclass.h
@@ -3800,9 +3800,10 @@ public:
     /**
      * Remove a specific parameter
      * @param param Pointer to parameter to remove
+     * @param delParam True to destroy the parameter
      * @return Reference to this NamedList
      */
-    NamedList& clearParam(NamedString* param);
+    NamedList& clearParam(NamedString* param, bool delParam = true);
 
     /**
      * Copy a parameter from another NamedList, clears it if not present there