diff --git a/libguac/tests/Makefile.am b/libguac/tests/Makefile.am
index 8a4d0254..6712e6cd 100644
--- a/libguac/tests/Makefile.am
+++ b/libguac/tests/Makefile.am
@@ -54,6 +54,7 @@ test_libguac_SOURCES =           \
 	protocol/suite.c             \
 	protocol/instruction_read.c  \
 	protocol/instruction_write.c \
+	protocol/nest_write.c        \
 	util/util_suite.c            \
 	util/guac_pool.c
 
diff --git a/libguac/tests/protocol/nest_write.c b/libguac/tests/protocol/nest_write.c
new file mode 100644
index 00000000..bc0d6439
--- /dev/null
+++ b/libguac/tests/protocol/nest_write.c
@@ -0,0 +1,126 @@
+
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (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.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is libguac.
+ *
+ * The Initial Developer of the Original Code is
+ * Michael Jumper.
+ * Portions created by the Initial Developer are Copyright (C) 2010
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <CUnit/Basic.h>
+
+#include "error.h"
+#include "instruction.h"
+#include "protocol.h"
+#include "socket.h"
+
+#include "suite.h"
+
+void test_nest_write() {
+
+    int rfd, wfd;
+    int fd[2], childpid;
+
+    /* Create pipe */
+    CU_ASSERT_EQUAL_FATAL(pipe(fd), 0);
+
+    /* File descriptors */
+    rfd = fd[0];
+    wfd = fd[1];
+
+    /* Fork */
+    if ((childpid = fork()) == -1) {
+        /* ERROR */
+        perror("fork");
+        return;
+    }
+
+    /* Child (pipe writer) */
+    if (childpid != 0) {
+
+        guac_socket* nested_socket;
+        guac_socket* socket;
+
+        close(rfd);
+
+        /* Open guac socket */
+        socket = guac_socket_open(wfd);
+
+        /* Nest socket */
+        nested_socket = guac_socket_nest(socket, 0);
+
+        /* Write instruction */
+        guac_protocol_send_clipboard(nested_socket, "a" UTF8_4 "b" UTF8_4 "c");
+        guac_protocol_send_sync(nested_socket, 12345);
+        guac_socket_flush(nested_socket);
+        guac_socket_flush(socket);
+
+        guac_socket_free(nested_socket);
+        guac_socket_free(socket);
+        exit(0);
+    }
+
+    /* Parent (unit test) */
+    else {
+
+        char expected[] =
+            "4.nest,1.0,33."
+                "9.clipboard,11.a" UTF8_4 "b" UTF8_4 "c;"
+                "4.sync,5.12345;"
+            ";";
+
+        int numread;
+        char buffer[1024];
+        int offset = 0;
+
+        close(wfd);
+
+        /* Read everything available into buffer */
+        while ((numread =
+                    read(rfd,
+                        &(buffer[offset]),
+                        sizeof(buffer)-offset)) != 0) {
+            offset += numread;
+        }
+
+        /* Add NULL terminator */
+        buffer[offset] = '\0';
+
+        /* Read value should be equal to expected value */
+        CU_ASSERT_STRING_EQUAL(buffer, expected);
+
+    }
+ 
+}
+
diff --git a/libguac/tests/protocol/suite.c b/libguac/tests/protocol/suite.c
index 6c7cca25..925433c7 100644
--- a/libguac/tests/protocol/suite.c
+++ b/libguac/tests/protocol/suite.c
@@ -61,6 +61,7 @@ int register_protocol_suite() {
     if (
         CU_add_test(suite, "instruction-read", test_instruction_read) == NULL
      || CU_add_test(suite, "instruction-write", test_instruction_write) == NULL
+     || CU_add_test(suite, "nest-write", test_nest_write) == NULL
        ) {
         CU_cleanup_registry();
         return CU_get_error();
diff --git a/libguac/tests/protocol/suite.h b/libguac/tests/protocol/suite.h
index 7e8b5b8c..f05d2c1f 100644
--- a/libguac/tests/protocol/suite.h
+++ b/libguac/tests/protocol/suite.h
@@ -50,6 +50,7 @@ int register_protocol_suite();
 
 void test_instruction_read();
 void test_instruction_write();
+void test_nest_write();
 
 #endif