diff --git a/lib/ChangeLog b/lib/ChangeLog
index 47742e9dea..8f8fe8001e 100644
--- a/lib/ChangeLog
+++ b/lib/ChangeLog
@@ -1,3 +1,8 @@
+2002-06-10  Jean-Marc Lasgouttes  <lasgouttes@freesurf.fr>
+
+	* configure.m4: change tgif file extension to .obj, as it should
+	have been
+
 2002-06-06  Jean-Marc Lasgouttes  <lasgouttes@freesurf.fr>
 
 	* examples/TableExamples.lyx: fix footnotes inside tables
diff --git a/lib/configure.m4 b/lib/configure.m4
index df123826d9..ecbe17841b 100644
--- a/lib/configure.m4
+++ b/lib/configure.m4
@@ -510,7 +510,7 @@ cat >$outfile <<EOF
 \\Format ps	  ps	Postscript	t
 \\Format program  ""	Program		""
 \\Format sgi      sgi	SGI		""
-\\Format tgif     tgif	TGIF		""
+\\Format tgif     obj	TGIF		""
 \\Format tiff     tif	TIFF		""
 \\Format xbm      xbm   XBM             ""
 \\Format xpm      xpm   XPM             ""