diff --git a/src/core/config.h b/src/core/config.h
index e012e98edf8..b71a15e7a8d 100644
--- a/src/core/config.h
+++ b/src/core/config.h
@@ -91,7 +91,7 @@
 #define SERVER_HDR "Server: " SRVAPP_SIGNATURE
 #define SERVER_HDR_LEN (sizeof(SERVER_HDR)-1)
 
-#define MAX_WARNING_LEN  256
+#define MAX_WARNING_LEN  1024
 
 #define MY_BRANCH ";branch="
 #define MY_BRANCH_LEN (sizeof(MY_BRANCH) - 1)