diff --git a/src/vnet/mfib/mfib_table.h b/src/vnet/mfib/mfib_table.h
index d6b6dc3..9a682b5 100644
--- a/src/vnet/mfib/mfib_table.h
+++ b/src/vnet/mfib/mfib_table.h
@@ -99,7 +99,7 @@
     /**
      * number of locks on the table
      */
-    u16 mft_locks[MFIB_TABLE_N_LOCKS];
+    u32 mft_locks[MFIB_TABLE_N_LOCKS];
 
     /**
      * Table ID (hash key) for this FIB.