diff --git a/src/RemoteSerializer.cc b/src/RemoteSerializer.cc
index 3abec00f59..0383977de1 100644
--- a/src/RemoteSerializer.cc
+++ b/src/RemoteSerializer.cc
@@ -196,7 +196,7 @@ extern "C" {
 
 // Gets incremented each time there's an incompatible change
 // to the communication internals.
-static const unsigned short PROTOCOL_VERSION = 0x08;
+static const unsigned short PROTOCOL_VERSION = 0x07;
 
 static const char MSG_NONE = 0x00;
 static const char MSG_VERSION = 0x01;