diff --git a/src/protocols/ForeignToplevel.cpp b/src/protocols/ForeignToplevel.cpp
index c652058f..95bc7a2e 100644
--- a/src/protocols/ForeignToplevel.cpp
+++ b/src/protocols/ForeignToplevel.cpp
@@ -35,7 +35,7 @@ CForeignToplevelList::CForeignToplevelList(SP<CExtForeignToplevelListV1> resourc
 
     for (auto const& w : g_pCompositor->m_windows) {
         if (!PROTO::foreignToplevel->windowValidForForeign(w))
-            return;
+            continue;
 
         onMap(w);
     }