diff --git a/tests/05-compile-tools/Makefile b/tests/05-compile-tools/Makefile
index b5217c7be..80155e601 100644
--- a/tests/05-compile-tools/Makefile
+++ b/tests/05-compile-tools/Makefile
@@ -25,7 +25,7 @@
 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 # SUCH DAMAGE.
 
-TOOLS=tools sky
+TOOLS=tools sky jn516x
 TOOLSDIR=../../tools
 TESTLOGS=$(patsubst %,%.testlog, $(TOOLS))
 
diff --git a/tools/jn516x/Makefile b/tools/jn516x/Makefile
index be3caa44b..2c4254a71 100644
--- a/tools/jn516x/Makefile
+++ b/tools/jn516x/Makefile
@@ -21,5 +21,10 @@ endif
 
 all:	$(SERIALDUMP)
 
+CFLAGS += -Wall -Werror
+
 $(SERIALDUMP):	serialdump.c
 	$(CC) -O2 -o $@ $<
+
+clean:
+	rm -f $(SERIALDUMP)