diff --git a/lib/ff_api.h b/lib/ff_api.h
index e97ade4c9..4a9f7ba3d 100644
--- a/lib/ff_api.h
+++ b/lib/ff_api.h
@@ -41,7 +41,7 @@ extern "C" {
 
 struct linux_sockaddr {
     short sa_family;
-    char sa_data[126];
+    char sa_data[14];
 };
 
 #define AF_INET6_LINUX    10