diff --git a/m4/gst-gl.m4 b/m4/gst-gl.m4
index f12ff7c290..fd28039352 100644
--- a/m4/gst-gl.m4
+++ b/m4/gst-gl.m4
@@ -1022,7 +1022,6 @@ fi
 if test x$HAVE_JPEG = xyes; then
   AC_DEFINE(HAVE_JPEG, [1], [Use libjpeg])
 else
-  AC_DEFINE(HAVE_JPEG, [0], [Use libjpeg])
   JPEG_LIBS=
 fi
 AC_SUBST(JPEG_LIBS)