diff --git a/ares/configure.ac b/ares/configure.ac
index b779c2f766ad153d43bccd52475b93e1cfb4786e..4b93fb4b1a76bb289fc652aa38413f4b77a22e3d 100644
--- a/ares/configure.ac
+++ b/ares/configure.ac
@@ -749,7 +749,7 @@ AC_CHECK_FUNCS([bitncmp \
   ],[
     AC_MSG_RESULT([yes])
     eval "ac_cv_func_$func=yes"
-    AC_DEFINE_UNQUOTED([AS_TR_CPP([HAVE_$func])], [1],
+    AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_$func]), [1],
       [Define to 1 if you have the $func function.])
   ],[
     AC_MSG_RESULT([but still no])
diff --git a/configure.ac b/configure.ac
index 391d7380b227e560c7b076f6179e04650e5c2228..8e0928e96e3dad1e6d6b549933b85a63a39fe6af 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2105,7 +2105,7 @@ AC_CHECK_FUNCS([basename \
     ],[
       AC_MSG_RESULT([yes])
       eval "ac_cv_func_$func=yes"
-      AC_DEFINE_UNQUOTED([AS_TR_CPP([HAVE_$func])], [1],
+      AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_$func]), [1],
         [Define to 1 if you have the $func function.])
     ],[
       AC_MSG_RESULT([but still no])