diff --git a/java/ql/lib/semmle/code/java/dataflow/internal/TaintTrackingUtil.qll b/java/ql/lib/semmle/code/java/dataflow/internal/TaintTrackingUtil.qll
index 044b250e473..b275c381150 100644
--- a/java/ql/lib/semmle/code/java/dataflow/internal/TaintTrackingUtil.qll
+++ b/java/ql/lib/semmle/code/java/dataflow/internal/TaintTrackingUtil.qll
@@ -256,7 +256,7 @@ private class BulkData extends RefType {
  */
 private predicate inputStreamWrapper(Constructor c, int argi) {
   c.getParameterType(argi) instanceof BulkData and
-  c.getDeclaringType().getASourceSupertype*().hasQualifiedName("java.io", "InputStream")
+  c.getDeclaringType().getASourceSupertype+().hasQualifiedName("java.io", "InputStream")
 }
 
 /** An object construction that preserves the data flow status of any of its arguments. */