diff --git a/compiler/src/dmd/expressionsem.d b/compiler/src/dmd/expressionsem.d
index 995a003aad96..d33f1d08c488 100644
--- a/compiler/src/dmd/expressionsem.d
+++ b/compiler/src/dmd/expressionsem.d
@@ -4541,7 +4541,8 @@ private bool functionParameters(Loc loc, Scope* sc,
                 {
                     // Look for misaligned pointer, etc., in @safe mode
                     err |= checkUnsafeAccess(sc, arg, false, true);
-                    err |= checkDefCtor(arg.loc, t); // t must be default constructible
+                    if (!t.baseElemOf().isTypeClass())
+                        err |= checkDefCtor(arg.loc, t); // t must be default constructible
                 }
                 arg = arg.toLvalue(sc, "create `out` parameter from");
             }
diff --git a/compiler/test/compilable/class_struct_disable_default.d b/compiler/test/compilable/class_struct_disable_default.d
new file mode 100644
index 000000000000..82ec6c54ec78
--- /dev/null
+++ b/compiler/test/compilable/class_struct_disable_default.d
@@ -0,0 +1,9 @@
+// https://github.com/dlang/dmd/issues/23392
+struct Parser { @disable this(); this(int) {} }
+class Client { Parser parser; this() { parser = Parser(0); } }
+void sink(out Client r) {}
+void main() {
+    Client c;
+    // passing c just sets it to null, so no @disable error needed
+    sink(c);
+}