diff --git a/protocol/meson.build b/protocol/meson.build
index 5f34a7a..670a4af 100644
--- a/protocol/meson.build
+++ b/protocol/meson.build
@@ -5,7 +5,7 @@ wayland_scanner = find_program('wayland-scanner')
 wayland_client = dependency('wayland-client')
 wayland_protos = dependency('wayland-protocols', version: '>=1.17')
 
-wl_protocol_dir = wayland_protos.get_pkgconfig_variable('pkgdatadir')
+wl_protocol_dir = wayland_protos.get_variable('pkgdatadir')
 
 wayland_scanner_code = generator(
   wayland_scanner,
diff --git a/src/meson.build b/src/meson.build
index 08830e9..223f967 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -6,7 +6,7 @@ m_dep = cc.find_library('m', required : false)
 rt_dep = cc.find_library('rt', required : false)
 gdk = dependency('gdk-3.0', version: '>= 3.24')
 gtk = dependency('gtk+-3.0', version: '>= 3.24')
-assert(gdk.get_pkgconfig_variable('targets').split().contains('wayland'), 'Wayland GDK backend not present')
+assert(gdk.get_variable('targets').split().contains('wayland'), 'Wayland GDK backend not present')
 epoxy = dependency('epoxy')
 
 configure_file(input: 'config.h.in', output: 'config.h', configuration: conf)