diff --git a/powershell/ql/lib/semmle/code/powershell/dataflow/internal/TaintTrackingPrivate.qll b/powershell/ql/lib/semmle/code/powershell/dataflow/internal/TaintTrackingPrivate.qll
index 69590519243..2a61ba2cf21 100644
--- a/powershell/ql/lib/semmle/code/powershell/dataflow/internal/TaintTrackingPrivate.qll
+++ b/powershell/ql/lib/semmle/code/powershell/dataflow/internal/TaintTrackingPrivate.qll
@@ -18,7 +18,7 @@ predicate defaultTaintSanitizer(DataFlow::Node node) { none() }
 bindingset[node]
 predicate defaultImplicitTaintRead(DataFlow::Node node, DataFlow::ContentSet c) {
   node instanceof ArgumentNode and
-  c.isAnyElement()
+  c.isAnyPositional()
 }
 
 cached