diff --git a/ChangeLog b/ChangeLog
index 7b1e07a3..9d9a5dcc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2008-03-01  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>
+
+	Fixed compilation error without ares/c-ares
+	* src/NameResolver.h: 
+
 2008-03-01  Tatsuhiro Tsujikawa  <tujikawa at rednoah dot com>
 
 	Added a test for large file.
diff --git a/src/NameResolver.cc b/src/NameResolver.cc
index 278b9c4e..6311e7d0 100644
--- a/src/NameResolver.cc
+++ b/src/NameResolver.cc
@@ -33,6 +33,7 @@
  */
 /* copyright --> */
 #include "NameResolver.h"
+#include "DlAbortEx.h"
 #include <cstring>
 
 namespace aria2 {
diff --git a/src/NameResolver.h b/src/NameResolver.h
index 85a3f26d..9b42fc19 100644
--- a/src/NameResolver.h
+++ b/src/NameResolver.h
@@ -50,8 +50,12 @@ extern "C" {
 } /* end of extern "C" */
 #endif
 
+#endif // ENABLE_ASYNC_DNS
+
 namespace aria2 {
 
+#ifdef ENABLE_ASYNC_DNS
+
 #ifdef HAVE_LIBCARES1_5
 void callback(void* arg, int status, int timeouts, struct hostent* host);
 #else