diff --git a/Makefile b/Makefile
index f36cb5a..c216e8e 100644
--- a/Makefile
+++ b/Makefile
@@ -2,4 +2,4 @@
 CFLAGS=-I.
 
 mpd-beat: main.c
-	$(CC) -Os -Wall -o mpd-beat -lmpdclient -lwiringPi main.c
+	$(CC) -Os -Wall -o mpd-beat -lpthread -lmpdclient -lwiringPi main.c
diff --git a/main.c b/main.c
index 9d046f0..624a91e 100644
--- a/main.c
+++ b/main.c
@@ -23,7 +23,7 @@
 {
   pthread_mutex_lock(&isr_mtx);
   unsigned int now = millis();
-  if ((last_pressed_time + 100) < now) {
+  if ((last_pressed_time + 250) < now) {
     pin_pressed = pin;
     last_pressed_time = now;
   } else {