diff --git a/go/ql/lib/semmle/go/dataflow/GlobalValueNumbering.qll b/go/ql/lib/semmle/go/dataflow/GlobalValueNumbering.qll
index 3547e70b858..541d52e6da3 100644
--- a/go/ql/lib/semmle/go/dataflow/GlobalValueNumbering.qll
+++ b/go/ql/lib/semmle/go/dataflow/GlobalValueNumbering.qll
@@ -200,7 +200,7 @@ private ControlFlow::Node mostRecentSideEffect(ControlFlow::Node entry, ControlF
 
 cached
 private ControlFlow::Node mostRecentSideEffectUnique(ControlFlow::Node node) {
-  result = unique( | | mostRecentSideEffect(_, node))
+  result = unique( | | mostRecentSideEffect(getControlFlowEntry(node), node))
 }
 
 /** Used to represent the "global value number" of an expression. */