diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c
index a7a3f500a857b..51678a528f85a 100644
--- a/net/core/fib_rules.c
+++ b/net/core/fib_rules.c
@@ -23,7 +23,7 @@
 #else
 #define INDIRECT_CALL_MT(f, f2, f1, ...) INDIRECT_CALL_1(f, f2, __VA_ARGS__)
 #endif
-#elif CONFIG_IP_MULTIPLE_TABLES
+#elif defined(CONFIG_IP_MULTIPLE_TABLES)
 #define INDIRECT_CALL_MT(f, f2, f1, ...) INDIRECT_CALL_1(f, f1, __VA_ARGS__)
 #else
 #define INDIRECT_CALL_MT(f, f2, f1, ...) f(__VA_ARGS__)