diff --git a/configure.ac b/configure.ac
index ced5304..0a14e13 100644
--- a/configure.ac
+++ b/configure.ac
@@ -102,11 +102,11 @@ VERS_1 {
   global: *;
 };
 EOF
-AC_LINK_IFELSE(AC_LANG_PROGRAM([], []),
+AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
   [VERSION_SCRIPT_FLAG=-Wl,--version-script=; AC_MSG_RESULT([yes (GNU style)])], [])
 if test "x$VERSION_SCRIPT_FLAG" = "x"; then
   LDFLAGS="$SAVED_LDFLAGS -Wl,-M,conftest.map"
-  AC_LINK_IFELSE(AC_LANG_PROGRAM([], []),
+  AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
     [VERSION_SCRIPT_FLAG=-Wl,-M,; AC_MSG_RESULT([yes (Sun style)])], [])
 fi
 if test "x$VERSION_SCRIPT_FLAG" = "x"; then