diff --git a/src/configure.in b/src/configure.in
index 8672f60fe98df1d7e9475c31de5d85f9e0dca18b..d5aba27ad2422238c472c61fd01257a701d8e034 100644
--- a/src/configure.in
+++ b/src/configure.in
@@ -1,4 +1,4 @@
-AC_REVISION("$Id: configure.in,v 1.30 1996/12/06 03:07:52 hubbe Exp $")
+AC_REVISION("$Id: configure.in,v 1.31 1996/12/06 03:33:43 hubbe Exp $")
 AC_INIT(interpret.c)
 AC_CONFIG_HEADER(machine.h)
 
@@ -679,7 +679,7 @@ case "$LIBOBJS" in
       AC_TRY_LINK([
       #include <unistd.h>
       ],[
-      int main() { ualarm(0,0); }
+      ualarm(0,0);
       ],pike_cv_ualarm_takes_two_args=yes,pike_cv_ualarm_takes_two_args=no)
 
     ])