diff --git a/makefile b/makefile
index d3f5b16..7435aa7 100644
--- a/makefile
+++ b/makefile
@@ -54,7 +54,6 @@ transport.o: transport.c transport.h
 
 dispatcher.o: dispatcher.c dispatcher.h
 	$(CC) $(CFLAGS) -c -o $@ $<
-	$(CC) $(CFLAGS) -c -o $@ $<
 
 test_engine.o: test_engine.c engine.h transport.h
 	$(CC) $(CFLAGS) -c -o $@ $<
diff --git a/stress_test.c b/stress_test.c
index 0d8bdc7..b7bf947 100644
--- a/stress_test.c
+++ b/stress_test.c
@@ -8,6 +8,7 @@
 #include <pthread.h>
 #include "dispatcher.h"
 #include "transport.h"
+#include <jack/jack.h>
 
 static volatile int keep_running = 1;