diff --git a/librocksdb-sys/build.rs b/librocksdb-sys/build.rs
index d1f8e56..a8f2674 100644
--- a/librocksdb-sys/build.rs
+++ b/librocksdb-sys/build.rs
@@ -189,7 +189,7 @@ fn build_snappy() {
     }
 
     if endianness == "big" {
-        config.define("WORDS_BIGENDIAN", Some("1"));
+        config.define("SNAPPY_IS_BIG_ENDIAN", Some("1"));
     }
 
     config.file("snappy/snappy.cc");
diff --git a/librocksdb-sys/snappy b/librocksdb-sys/snappy
index 2d99bd1..537f4ad 160000
--- a/librocksdb-sys/snappy
+++ b/librocksdb-sys/snappy
@@ -1 +1 @@
-Subproject commit 2d99bd14d471664758e4dfdf81b44f413a7353fd
+Subproject commit 537f4ad6240e586970fe554614542e9717df7902