diff --git a/ChangeLog b/ChangeLog
index b37bf3506..fc9e43dcd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Tue Nov 20 18:49:16 2001  Owen Taylor  <otaylor@redhat.com>
+
+	* configure.in (found_sm): Add some additional quoting to
+	make it work with autoconf-2.5x.
+
 2001-11-02  Laszlo Peter  <laca@ireland.sun.com>
 
 	* src/window.c (update_sm_hints): protect meta_verbose from
diff --git a/configure.in b/configure.in
index 009855c73..fdca4b68d 100644
--- a/configure.in
+++ b/configure.in
@@ -53,8 +53,8 @@ case "$METACITY_LIBS" in
     ;;
  *)
   AC_CHECK_LIB(SM, SmcSaveYourselfDone, 
-               AC_CHECK_HEADERS(X11/SM/SMlib.h,
-                                METACITY_LIBS="-lSM -lICE $METACITY_LIBS" found_sm=true),
+               [AC_CHECK_HEADERS(X11/SM/SMlib.h,
+                                METACITY_LIBS="-lSM -lICE $METACITY_LIBS" found_sm=true)],
                , $METACITY_LIBS)
     ;;
 esac