diff --git a/src/V3Broken.cpp b/src/V3Broken.cpp
index 14c01d029..cc8c4e780 100644
--- a/src/V3Broken.cpp
+++ b/src/V3Broken.cpp
@@ -156,9 +156,9 @@ class BrokenCheckVisitor final : public VNVisitorConst {
     // Current CFunc, if any
     const AstCFunc* m_cfuncp = nullptr;
     // All local variables declared in current function
-    std::unordered_set<const AstVar*> m_localVars;
+    std::set<const AstVar*> m_localVars;
     // Variable references in current function that do not reference an in-scope local
-    std::unordered_map<const AstVar*, const AstNodeVarRef*> m_suspectRefs;
+    std::map<const AstVar*, const AstNodeVarRef*> m_suspectRefs;
     // Local variables declared in the scope of the current statement
     std::vector<std::unordered_set<const AstVar*>> m_localsStack;