diff --git a/shared/dataflow/codeql/dataflow/test/ProvenancePathGraph.qll b/shared/dataflow/codeql/dataflow/test/ProvenancePathGraph.qll
index dcb18445631f..e82435e6a6b8 100644
--- a/shared/dataflow/codeql/dataflow/test/ProvenancePathGraph.qll
+++ b/shared/dataflow/codeql/dataflow/test/ProvenancePathGraph.qll
@@ -17,7 +17,7 @@ signature class PathNodeSig {
 private signature predicate provenanceSig(string model);
 
 private module TranslateModels<
-  interpretModelForTestSig/2 interpretModelForTest, provenanceSig/1 provenance>
+  interpretModelForTestSig/2 interpretModelForTest0, provenanceSig/1 provenance>
 {
   private predicate madIds(string madId) {
     exists(string model |
@@ -26,6 +26,12 @@ private module TranslateModels<
     )
   }
 
+  // Be robust against MaD IDs with multiple textual representations; simply
+  // concatenate them all
+  private predicate interpretModelForTest(QlBuiltins::ExtensionId madId, string model) {
+    model = strictconcat(string mod | interpretModelForTest0(madId, mod) | mod, ", ")
+  }
+
   private QlBuiltins::ExtensionId getModelId(string model) {
     madIds(result.toString()) and
     interpretModelForTest(result, model)