diff --git a/cpp/ql/lib/ext/Windows.model.yml b/cpp/ql/lib/ext/Windows.model.yml
index 3e7ef1fb4fe..e9f6dfd7fbf 100644
--- a/cpp/ql/lib/ext/Windows.model.yml
+++ b/cpp/ql/lib/ext/Windows.model.yml
@@ -39,6 +39,8 @@ extensions:
       - ["", "", False, "RegQueryValueExA", "", "", "Argument[*4]", "local", "manual"]
       - ["", "", False, "RegQueryValueW", "", "", "Argument[*2]", "local", "manual"]
       - ["", "", False, "RegQueryValueExW", "", "", "Argument[*4]", "local", "manual"]
+      - ["", "", False, "RegGetValueA", "", "", "Argument[*5]", "local", "manual"]
+      - ["", "", False, "RegGetValueW", "", "", "Argument[*5]", "local", "manual"]
       # TODO: Once we support access paths at sources we should also mark Argument[*1].Field[*ve_valueptr]
       - ["", "", False, "RegQueryMultipleValuesA", "", "", "Argument[*3]", "local", "manual"]
       # TODO: Once we support access paths at sources we should also mark Argument[*1].Field[*ve_valueptr]