diff --git a/src/expression.d b/src/expression.d
index 71d81980f4c6..f3546c470f0b 100644
--- a/src/expression.d
+++ b/src/expression.d
@@ -8961,7 +8961,7 @@ extern (C++) final class DotVarExp : UnaExp
              *  tuple(e1.a, e1.b, e1.c)
              */
             Expression e0;
-            Expression ev = extractSideEffect(sc, "__tup", e0, e1);
+            Expression ev = sc.func ? extractSideEffect(sc, "__tup", e0, e1) : e1;
 
             auto exps = new Expressions();
             exps.reserve(tup.objects.dim);
diff --git a/test/compilable/test17143.d b/test/compilable/test17143.d
new file mode 100644
index 000000000000..403c9aa456c8
--- /dev/null
+++ b/test/compilable/test17143.d
@@ -0,0 +1,4 @@
+import std.typecons : tuple;
+enum foo = tuple(1, 2).expand;
+pragma(msg, typeof(foo).stringof);
+pragma(msg, foo.stringof);