diff --git a/parser/expr.go b/parser/expr.go
index b6b6c62..ea4b8b1 100644
--- a/parser/expr.go
+++ b/parser/expr.go
@@ -351,7 +351,7 @@ func (e *ImportExpr) End() Pos {
 }
 
 func (e *ImportExpr) String() string {
-	return `import("` + e.ModuleName + `")"`
+	return `import("` + e.ModuleName + `")`
 }
 
 // IndexExpr represents an index expression.