diff --git a/legacy/ecore/configure.ac b/legacy/ecore/configure.ac
index ce05466a24..1e62a39dbf 100644
--- a/legacy/ecore/configure.ac
+++ b/legacy/ecore/configure.ac
@@ -640,7 +640,7 @@ if ! test "x$have_ecore_x_xcb" = "xyes" ; then
     ECORE_CHECK_X_EXTENSION([Xfixes], [Xfixes.h], [Xfixes], [XFixesExpandRegion])
     ECORE_CHECK_X_EXTENSION([Xinerama], [Xinerama.h], [Xinerama], [XineramaQueryScreens])
     ECORE_CHECK_X_EXTENSION([Xprint], [Print.h], [Xp], [XpQueryScreens])
-    ECORE_CHECK_X_EXTENSION([Xrandr], [Xrandr.h], [Xrandr], [XRRSizes])
+    ECORE_CHECK_X_EXTENSION([Xrandr], [Xrandr.h], [Xrandr], [XRRGetScreenResourcesCurrent])
     ECORE_CHECK_X_EXTENSION([Xrender], [Xrender.h], [Xrender], [XRenderFindVisualFormat])
     ECORE_CHECK_X_EXTENSION([Xtest], [XTest.h], [Xtst], [XTestFakeKeyEvent])
     ECORE_CHECK_X_EXTENSION([Xss], [scrnsaver.h], [Xss], [XScreenSaverSelectInput])