diff --git a/src/plugins/platforms/xcb/xcb_qpa_lib.pro b/src/plugins/platforms/xcb/xcb_qpa_lib.pro
index 284711075e..55007b43a7 100644
--- a/src/plugins/platforms/xcb/xcb_qpa_lib.pro
+++ b/src/plugins/platforms/xcb/xcb_qpa_lib.pro
@@ -85,4 +85,6 @@ include(gl_integrations/gl_integrations.pri)
     QMAKE_USE += xkbcommon
 }
 
+qtConfig(dlopen): QMAKE_USE += libdl
+
 load(qt_module)