diff --git a/release/src-rt-6.x.4708/router/patches/getdns/105-add-missing-define-for-log-warn.patch b/release/src-rt-6.x.4708/router/patches/getdns/105-add-missing-define-for-log-warn.patch
new file mode 100644
index 0000000000..5ee2040900
--- /dev/null
+++ b/release/src-rt-6.x.4708/router/patches/getdns/105-add-missing-define-for-log-warn.patch
@@ -0,0 +1,18 @@
+--- getdns/src/util/auxiliary/util/log.h
++++ getdns/src/util/auxiliary/util/log.h
+@@ -42,6 +42,7 @@
+ #ifdef DEBUGGING
+ #define verbose(x, ...) DEBUG_NL(__VA_ARGS__)
+ #define log_err(...)	DEBUG_NL(__VA_ARGS__)
++#define log_warn(...)	DEBUG_NL(__VA_ARGS__)
+ #define log_info(...)	DEBUG_NL(__VA_ARGS__)
+ #define fatal_exit(...) do { DEBUG_NL(__VA_ARGS__); exit(EXIT_FAILURE); } while(0)
+ #define log_assert(x)	do { if(!(x)) fatal_exit("%s:%d: %s: assertion %s failed", \
+@@ -50,6 +51,7 @@
+ #else
+ #define verbose(...)	((void)0)
+ #define log_err(...)	((void)0)
++#define log_warn(...)	((void)0)
+ #define log_info(...)	((void)0)
+ #define fatal_exit(...)	((void)0)
+ #define log_assert(x)	((void)0)