diff --git a/configure.ac b/configure.ac
index 08d732d..7a547c5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -32,8 +32,10 @@ LT_PREREQ(2.2)
 LT_INIT
 
 PKG_CHECK_MODULES([XWIIMOTE], [libxwiimote])
-PKG_CHECK_VAR([XWIIMOTE_INCLUDEDIR], [libxwiimote], [includedir])
-PKG_CHECK_VAR([XWIIMOTE_LIBDIR], [libxwiimote], [libdir])
+XWIIMOTE_INCLUDEDIR=`$PKG_CONFIG --variable=includedir libxwiimote`
+AC_SUBST([XWIIMOTE_INCLUDEDIR])
+XWIIMOTE_LIBDIR=`$PKG_CONFIG --variable=libdir libxwiimote`
+AC_SUBST([XWIIMOTE_LIBDIR])
 AC_SUBST(XWIIMOTE_CFLAGS)
 AC_SUBST(XWIIMOTE_LIBS)
 AC_SUBST(XWIIMOTE_INCLUDEDIR)