diff --git a/checkin_notes b/checkin_notes
index 0772b4fe4d..e367cff26a 100644
--- a/checkin_notes
+++ b/checkin_notes
@@ -3826,3 +3826,12 @@ Rytis  11 Apr 2009
     
     html/inc/
         util.inc
+
+David  12 Apr 2009
+    - client: put back the call to res_init() on lookup failure.
+        Apparently it worked after all.
+
+    client/
+        http_curl.cpp
+    lib/
+        network.cpp,h
diff --git a/client/http_curl.cpp b/client/http_curl.cpp
index 2de133b451..83b949b7a4 100644
--- a/client/http_curl.cpp
+++ b/client/http_curl.cpp
@@ -1038,6 +1038,7 @@ void HTTP_OP::handle_messages(CURLMsg *pcurlMsg) {
         strcpy(error_msg, curl_easy_strerror(CurlResult));
         switch(CurlResult) {
         case CURLE_COULDNT_RESOLVE_HOST:
+            reset_dns();
             http_op_retval = ERR_GETHOSTBYNAME;
             break;
         case CURLE_COULDNT_CONNECT:
diff --git a/lib/network.cpp b/lib/network.cpp
index befc1e2821..542f9eab30 100644
--- a/lib/network.cpp
+++ b/lib/network.cpp
@@ -202,4 +202,10 @@ int WinsockCleanup() {
 
 #endif
 
+void reset_dns() {
+#ifndef _WIN32
+    res_init();
+#endif
+}
+
 const char *BOINC_RCSID_557bf0741f="$Id$";
diff --git a/lib/network.h b/lib/network.h
index 69e03d3d0b..26094e04a2 100644
--- a/lib/network.h
+++ b/lib/network.h
@@ -46,6 +46,7 @@ extern int boinc_socket_asynch(int sock, bool asynch);
 extern void boinc_close_socket(int sock);
 extern int get_socket_error(int fd);
 extern const char* socket_error_str();
+extern void reset_dns();
 
 #if defined(_WIN32) && defined(USE_WINSOCK)
 typedef int boinc_socklen_t;