2 files changed, 3 insertions, 3 deletions
diff --git a/ast.go b/ast.go
index 17ad01a..65d40e1 100644
--- a/ast.go
+++ b/ast.go
@@ -66,13 +66,13 @@ func (ast *assignAST) evalRHS(ev *Evaluator, lhs string) Var {
 	case "=":
 		return &recursiveVar{expr: ast.rhs, origin: origin}
 	case "+=":
-		prev := ev.LookupVarInCurrentScope(lhs)
+		prev := ev.lookupVarInCurrentScope(lhs)
 		if !prev.IsDefined() {
 			return &recursiveVar{expr: ast.rhs, origin: origin}
 		}
 		return prev.AppendVar(ev, ast.rhs)
 	case "?=":
-		prev := ev.LookupVarInCurrentScope(lhs)
+		prev := ev.lookupVarInCurrentScope(lhs)
 		if prev.IsDefined() {
 			return prev
 		}
diff --git a/eval.go b/eval.go
index 2bfaa46..a72e612 100644
--- a/eval.go
+++ b/eval.go
@@ -310,7 +310,7 @@ func (ev *Evaluator) LookupVar(name string) Var {
 	return ev.vars.Lookup(name)
 }
 
-func (ev *Evaluator) LookupVarInCurrentScope(name string) Var {
+func (ev *Evaluator) lookupVarInCurrentScope(name string) Var {
 	if ev.currentScope != nil {
 		v := ev.currentScope.Lookup(name)
 		return v