diff --git a/configure.ac b/configure.ac
index 9d4f6ff7db..3775d06b41 100644
--- a/configure.ac
+++ b/configure.ac
@@ -633,7 +633,7 @@ dnl - src and build dirs need to be added because every piece that gets built
 dnl   will need the GStreamer source and generated headers
 dnl LIBS: XML doesn't need to be added because we don't explicitly use symbols
 dnl       from LibXML except for in the core library
-GST_ALL_CFLAGS="-I\$(top_srcdir)/libs -I\$(top_srcdir) -I\$(top_builddir)/libs -I\$(top_builddir) $GLIB_CFLAGS $XML_CFLAGS \$(GST_OPTION_CFLAGS) \$(ERROR_CFLAGS) -DG_THREADS_MANDATORY"
+GST_ALL_CFLAGS="-I\$(top_srcdir)/libs -I\$(top_srcdir) -I\$(top_builddir)/libs -I\$(top_builddir) $GLIB_CFLAGS $GLIB_EXTRA_CFLAGS $XML_CFLAGS \$(GST_OPTION_CFLAGS) \$(ERROR_CFLAGS) -DG_THREADS_MANDATORY"
 
 dnl FIXME: check if LTLIBINTL is needed everywhere
 dnl I presume it is given that it contains the symbols that _() stuff maps to