diff --git a/src/include/lwip/opt.h b/src/include/lwip/opt.h
index 3f67fac5..dd303935 100644
--- a/src/include/lwip/opt.h
+++ b/src/include/lwip/opt.h
@@ -352,7 +352,7 @@ a lot of data that needs to be copied, this should be set high. */
 #define ICMP_STATS	1
 #endif
 
-#ifndef USP_STATS
+#ifndef UDP_STATS
 #define UDP_STATS	1
 #endif