diff --git a/mk/sysdep/qt5-qtbase-private.mk b/mk/sysdep/qt5-qtbase-private.mk
index 0a742aaf169e28d219bf5b58c3a7159135ee6ff5..071838a55c8a0433ba107bdb8b025121a0ec2fe2 100644
--- a/mk/sysdep/qt5-qtbase-private.mk
+++ b/mk/sysdep/qt5-qtbase-private.mk
@@ -16,7 +16,7 @@ DEPEND_USE+=			qt5-qtbase-private
 DEPEND_ABI.qt5-qtbase-private?=	qt5-qtbase-private>=5<6
 
 SYSTEM_SEARCH.qt5-qtbase-private=\
-    'include/{,qt{,5}/}QtCore/*/QtCore/private/qmetaobject_p.h:s/[^.0-9]//gp:echo %'
+    'include/{,qt{,5}/}QtCore/*/QtCore/private/qmetaobject_p.h:s@.*/\([.0-9][.0-9]*\)/.*@\1@p:echo %'
 
 SYSTEM_PKG.Arch.qt5-qtbase-private=	qt5-base
 SYSTEM_PKG.Debian.qt5-qtbase-private=	qtbase5-private-dev