diff --git a/src/music_visualizer.c b/src/music_visualizer.c
index 027ff0c..885c069 100644
--- a/src/music_visualizer.c
+++ b/src/music_visualizer.c
@@ -30,7 +30,7 @@
 }
 #endif
 
-#define PADDING 2
+#define PADDING 4
 
 static int maxR = 0;
 static int maxC = 0;
@@ -85,7 +85,7 @@
 #ifdef THREADED
 	pthread_t tid;
 #endif
-    uint16_t buf[N_SAMPLES*PADDING];
+    uint16_t buf[N_SAMPLES*PADDING] = {0};
 #ifdef STATUS_CHECK
     struct mpd_connection *session;
     STATUS* status = NULL;