diff --git a/ql/src/semmle/go/security/TaintedPathCustomizations.qll b/ql/src/semmle/go/security/TaintedPathCustomizations.qll
index 8430b6b0153..a05775479fa 100644
--- a/ql/src/semmle/go/security/TaintedPathCustomizations.qll
+++ b/ql/src/semmle/go/security/TaintedPathCustomizations.qll
@@ -85,7 +85,7 @@ module TaintedPath {
    * }
    * ```
    */
-  class PathContainmentCheck extends SanitizerGuard {
+  class PathContainmentCheck extends SanitizerGuard, DataFlow::EqualityTestNode {
     DataFlow::Node path;
     boolean outcome;