diff --git a/cpp/ql/src/semmle/code/cpp/valuenumbering/HashCons.qll b/cpp/ql/src/semmle/code/cpp/valuenumbering/HashCons.qll
index 5494d656ac3..407ad5ff721 100644
--- a/cpp/ql/src/semmle/code/cpp/valuenumbering/HashCons.qll
+++ b/cpp/ql/src/semmle/code/cpp/valuenumbering/HashCons.qll
@@ -748,14 +748,13 @@ private predicate mk_FieldCons(Class c, int i, Field f, HashCons hc, HC_Fields h
   cal.getType().getUnspecifiedType() = c and
   exists(Expr e |
     e = cal.getFieldExpr(f).getFullyConverted() and
-    e = cal.getChild(i).getFullyConverted() and
+    f.getInitializationOrder() = i and
     hc = hashCons(e) and
     (
       exists(HashCons head, Field f2, HC_Fields tail |
         hcf = HC_FieldCons(c, i-1, f2, head, tail) and
-        cal.getChild(i-1).getFullyConverted() = cal.getFieldExpr(f2).getFullyConverted() and
+        f2.getInitializationOrder() = i-1 and
         mk_FieldCons(c, i-1, f2, head, tail, cal)
-        
       )
       or
       i = 0 and
@@ -777,7 +776,7 @@ private predicate mk_ClassAggregateLiteral(Class c, HC_Fields hcf, ClassAggregat
   c = cal.getType().getUnspecifiedType() and
   (
     exists(HC_Fields tail, Expr e, Field f |
-      e = cal.getChild(cal.getNumChild() - 1).getFullyConverted() and
+      f.getInitializationOrder() = cal.getNumChild() - 1 and
       e = cal.getFieldExpr(f).getFullyConverted() and
       hcf = HC_FieldCons(c, cal.getNumChild() - 1, f, hashCons(e), tail) and
       mk_FieldCons(c, cal.getNumChild() - 1, f, hashCons(e), tail, cal)
diff --git a/cpp/ql/test/library-tests/valuenumbering/HashCons/HashCons.expected b/cpp/ql/test/library-tests/valuenumbering/HashCons/HashCons.expected
index 48adfedf87e..0f92bbd658e 100644
--- a/cpp/ql/test/library-tests/valuenumbering/HashCons/HashCons.expected
+++ b/cpp/ql/test/library-tests/valuenumbering/HashCons/HashCons.expected
@@ -111,7 +111,6 @@
 | test.cpp:269:3:269:19 | {...} | 269:c3-c19 270:c3-c19 |
 | test.cpp:273:3:273:12 | new[] | 273:c3-c12 274:c3-c12 |
 | test.cpp:273:11:273:11 | x | 273:c11-c11 274:c11-c11 |
-| test.cpp:284:15:287:3 | {...} | 284:c15-c3 288:c15-c3 |
 | test.cpp:299:3:299:9 | throw ... | 299:c3-c9 300:c3-c9 |
 | test.cpp:301:3:301:9 | throw ... | 301:c3-c9 302:c3-c9 |
 | test.cpp:303:3:303:7 | re-throw exception  | 303:c3-c7 304:c3-c7 |