diff --git a/ChangeLog b/ChangeLog
index 65f99aed8..4d9c2ff92 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2008-01-02  Johan Bilien  <jobi@via.ecp.fr>
+
+	reviewed by: Emmanuele Bassi  <ebassi@openedhand.com>
+
+	* configure.ac: Use AC_DEFINE_UNQUOTED to expand the
+	variable. Fixes EGL backend build
+
 2008-01-02  Emmanuele Bassi  <ebassi@openedhand.com>
 
 	* configure.ac: Post release bump to 0.5.1
diff --git a/configure.ac b/configure.ac
index ff240ef34..27a9eb41e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -231,7 +231,7 @@ case $clutterbackend in
     # glColor4ub needed for more precise picking, seems presence is a
     # bit random in egl 1.1 (in SDK header, but not lib)
     AC_CHECK_LIB($EGL_LIBS, glColor4ub, COLOR4UB=1, COLOR4UB=0)
-    AC_DEFINE([HAVE_GLES_COLOR4UB], $COLOR4UB, [Have GL/ES glColor4ub])
+    AC_DEFINE_UNQUOTED([HAVE_GLES_COLOR4UB], $COLOR4UB, [Have GL/ES glColor4ub])
 
     EGL_LIBS="-l$EGL_LIBS $X11_LIBS"
     EGL_CFLAGS="$EGL_CFLAGS $X11_CFLAGS"