diff --git a/src/systemcmds/tests/module.mk b/src/systemcmds/tests/module.mk
index 754d3a0da9..6729ce4ae3 100644
--- a/src/systemcmds/tests/module.mk
+++ b/src/systemcmds/tests/module.mk
@@ -23,6 +23,7 @@ SRCS			 = test_adc.c \
 			   test_uart_console.c \
 			   test_uart_loopback.c \
 			   test_uart_send.c \
+			   test_mixer.cpp \
 			   tests_file.c \
 			   tests_main.c \
 			   tests_param.c
diff --git a/src/systemcmds/tests/test_mixer.cpp b/src/systemcmds/tests/test_mixer.cpp
new file mode 100644
index 0000000000..acb7bd88f6
--- /dev/null
+++ b/src/systemcmds/tests/test_mixer.cpp
@@ -0,0 +1,74 @@
+/****************************************************************************
+ *
+ *   Copyright (c) 2013 PX4 Development Team. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name PX4 nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/**
+ * @file test_mixer.hpp
+ *
+ * Mixer load test
+ */
+
+#include <nuttx/config.h>
+
+#include <sys/types.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <time.h>
+
+#include <systemlib/err.h>
+#include <systemlib/mixer/mixer.h>
+
+#include "tests.h"
+
+int test_mixer(int argc, char *argv[])
+{
+	warnx("testing mixer");
+
+	char *filename = "/etc/mixers/IO_pass.mix";
+
+	if (argc > 1)
+		filename = argv[1];
+
+	warnx("loading: %s", filename);
+
+	char		buf[2048];
+
+	load_mixer_file(filename, &buf[0]);
+
+	warnx("loaded: %s", &buf[0]);
+
+	return 0;
+}
diff --git a/src/systemcmds/tests/tests.h b/src/systemcmds/tests/tests.h
index c02ea6808f..c483108cf0 100644
--- a/src/systemcmds/tests/tests.h
+++ b/src/systemcmds/tests/tests.h
@@ -76,6 +76,8 @@
  * Public Function Prototypes
  ****************************************************************************/
 
+__BEGIN_DECLS
+
 extern int	test_sensors(int argc, char *argv[]);
 extern int	test_gpio(int argc, char *argv[]);
 extern int	test_hrt(int argc, char *argv[]);
@@ -98,5 +100,8 @@ extern int	test_jig_voltages(int argc, char *argv[]);
 extern int	test_param(int argc, char *argv[]);
 extern int	test_bson(int argc, char *argv[]);
 extern int	test_file(int argc, char *argv[]);
+extern int	test_mixer(int argc, char *argv[]);
+
+__END_DECLS
 
 #endif /* __APPS_PX4_TESTS_H */
diff --git a/src/systemcmds/tests/tests_main.c b/src/systemcmds/tests/tests_main.c
index 9f8c5c9eae..9eb9c632ec 100644
--- a/src/systemcmds/tests/tests_main.c
+++ b/src/systemcmds/tests/tests_main.c
@@ -110,6 +110,7 @@ const struct {
 	{"param",		test_param,	0},
 	{"bson",		test_bson,	0},
 	{"file",		test_file,	0},
+	{"mixer",		test_mixer,	OPT_NOJIGTEST | OPT_NOALLTEST},
 	{"help",		test_help,	OPT_NOALLTEST | OPT_NOHELP | OPT_NOJIGTEST},
 	{NULL,			NULL, 		0}
 };