diff --git a/src/libguac/Makefile.am b/src/libguac/Makefile.am
index dc96a878..a6240802 100644
--- a/src/libguac/Makefile.am
+++ b/src/libguac/Makefile.am
@@ -54,6 +54,7 @@ libguacinc_HEADERS =                  \
     guacamole/pool.h                  \
     guacamole/pool-types.h            \
     guacamole/protocol.h              \
+    guacamole/protocol-constants.h    \
     guacamole/protocol-types.h        \
     guacamole/socket-constants.h      \
     guacamole/socket.h                \
diff --git a/src/libguac/guacamole/protocol-constants.h b/src/libguac/guacamole/protocol-constants.h
new file mode 100644
index 00000000..6ad7bf14
--- /dev/null
+++ b/src/libguac/guacamole/protocol-constants.h
@@ -0,0 +1,44 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#ifndef GUAC_PROTOCOL_CONSTANTS_H
+#define GUAC_PROTOCOL_CONSTANTS_H
+
+/**
+ * Constants related to the Guacamole protocol.
+ *
+ * @file protocol-constants.h
+ */
+
+/**
+ * This defines the overall protocol version that this build of libguac
+ * supports.  The protocol version is used to provide compatibility between
+ * potentially different versions of Guacamole server and clients.  The
+ * version number is a MAJOR_MINOR_PATCH version that matches the versioning
+ * used throughout the components of the Guacamole project.  This version
+ * will not necessarily increment with the other components, unless additional
+ * functionality is introduced that affects compatibility.
+ * 
+ * This version is passed by the __guac_protocol_send_args() function from the
+ * server to the client during the client/server handshake.
+ */
+#define GUACAMOLE_PROTOCOL_VERSION "VERSION_1_1_0"
+
+#endif
+
diff --git a/src/libguac/guacamole/protocol.h b/src/libguac/guacamole/protocol.h
index fb8fbefe..2a5b138b 100644
--- a/src/libguac/guacamole/protocol.h
+++ b/src/libguac/guacamole/protocol.h
@@ -30,6 +30,7 @@
 
 #include "layer-types.h"
 #include "object-types.h"
+#include "protocol-constants.h"
 #include "protocol-types.h"
 #include "socket-types.h"
 #include "stream-types.h"
@@ -38,20 +39,6 @@
 #include <cairo/cairo.h>
 #include <stdarg.h>
 
-/**
- * This defines the overall protocol version that this build of libguac
- * supports.  The protocol version is used to provide compatibility between
- * potentially different versions of Guacamole server and clients.  The
- * version number is a MAJOR_MINOR_PATCH version that matches the versioning
- * used throughout the components of the Guacamole project.  This version
- * will not necessarily increment with the other components, unless additional
- * functionality is introduced that affects compatibility.
- * 
- * This version is passed by the __guac_protocol_send_args() function from the
- * server to the client during the client/server handshake.
- */
-#define GUACAMOLE_PROTOCOL_VERSION "VERSION_1_1_0"
-
 /* CONTROL INSTRUCTIONS */
 
 /**