diff -up wacomtablet-3.1.1/CMakeLists.txt.Xi wacomtablet-3.1.1/CMakeLists.txt
--- wacomtablet-3.1.1/CMakeLists.txt.Xi	2019-04-28 09:51:27.549410462 -0500
+++ wacomtablet-3.1.1/CMakeLists.txt	2019-04-28 09:42:31.892006437 -0500
@@ -24,7 +24,7 @@ ecm_setup_version(${PROJECT_VERSION}
 find_package(Qt5 REQUIRED COMPONENTS Core Gui Widgets DBus X11Extras Qml)
 find_package(KF5 REQUIRED COMPONENTS CoreAddons I18n GlobalAccel Config XmlGui WidgetsAddons WindowSystem Notifications DBusAddons Plasma DocTools)
 find_package(XCB OPTIONAL_COMPONENTS XINPUT)
-find_package(X11 REQUIRED COMPONENTS XLIB)
+find_package(X11 REQUIRED COMPONENTS Xi)
 find_package(XorgWacom REQUIRED)
 find_package(LibWacom REQUIRED)