diff --git a/app-emulation/xen-tools/xen-tools-4.15.3.ebuild b/app-emulation/xen-tools/xen-tools-4.15.3.ebuild
index 6c9c7c9fec495..51f8fe6fefe42 100644
--- a/app-emulation/xen-tools/xen-tools-4.15.3.ebuild
+++ b/app-emulation/xen-tools/xen-tools-4.15.3.ebuild
@@ -4,7 +4,7 @@
 EAPI=7
 
 PYTHON_COMPAT=( python3_{8..10} )
-PYTHON_REQ_USE='ncurses,xml,threads(+)'
+PYTHON_REQ_USE='ncurses,xml(+),threads(+)'
 
 inherit bash-completion-r1 flag-o-matic multilib python-single-r1 toolchain-funcs
 
diff --git a/app-emulation/xen-tools/xen-tools-4.15.4_pre.ebuild b/app-emulation/xen-tools/xen-tools-4.15.4_pre.ebuild
index 6e8b7325cf79a..222cfab5381e3 100644
--- a/app-emulation/xen-tools/xen-tools-4.15.4_pre.ebuild
+++ b/app-emulation/xen-tools/xen-tools-4.15.4_pre.ebuild
@@ -4,7 +4,7 @@
 EAPI=7
 
 PYTHON_COMPAT=( python3_{8..10} )
-PYTHON_REQ_USE='ncurses,xml,threads(+)'
+PYTHON_REQ_USE='ncurses,xml(+),threads(+)'
 
 inherit bash-completion-r1 flag-o-matic multilib python-single-r1 toolchain-funcs