diff --git a/cf-check/replicate_lmdb.c b/cf-check/replicate_lmdb.c
index e8c6508adf..d88c561eb0 100644
--- a/cf-check/replicate_lmdb.c
+++ b/cf-check/replicate_lmdb.c
@@ -1,3 +1,4 @@
+#include <platform.h> // #define LMDB
 #include <logging.h>
 #include <diagnose.h>
 #include <replicate_lmdb.h>