diff --git a/src/configure.in b/src/configure.in
index 241eab80d951ef229b11a55c06259bf018284cc0..8a666c8c4043758e3ba6792c42dde3ac9fc19c2d 100644
--- a/src/configure.in
+++ b/src/configure.in
@@ -1,4 +1,4 @@
-AC_REVISION("$Id: configure.in,v 1.184 1998/05/17 20:37:12 grubba Exp $")
+AC_REVISION("$Id: configure.in,v 1.185 1998/05/17 20:37:38 grubba Exp $")
 AC_INIT(interpret.c)
 AC_CONFIG_HEADER(machine.h)
 
@@ -1449,6 +1449,7 @@ AC_MSG_CHECKING([for union wait (old BSD convention)])
 AC_CACHE_VAL(pike_cv_union_wait, [ AC_TRY_COMPILE([
 #ifdef HAVE_SYS_WAIT_H
 #include <sys/wait.h>
+#endif /* AHVE_SYS_WAIT_H */
 ], [
   union wait status;
   exit(0);