diff --git a/python/ql/src/experimental/Security/CWE-208/TimingAttack.qll b/python/ql/src/experimental/Security/CWE-208/TimingAttack.qll
index 7e3923def0d..c943daf15c6 100644
--- a/python/ql/src/experimental/Security/CWE-208/TimingAttack.qll
+++ b/python/ql/src/experimental/Security/CWE-208/TimingAttack.qll
@@ -120,7 +120,7 @@ private string sensitiveheaders() {
 /**
  * A config that tracks data flow from remote user input to cryptographic operations
  */
-private class UserInputMsgConfig extends TaintTracking::Configuration {
+class UserInputMsgConfig extends TaintTracking::Configuration {
   UserInputMsgConfig() { this = "UserInputMsgConfig" }
 
   override predicate isSource(DataFlow::Node source) { source instanceof RemoteFlowSource }