diff --git a/src/loop.c b/src/loop.c
index 5b5ee2a..dbd88fb 100755
--- a/src/loop.c
+++ b/src/loop.c
@@ -7,10 +7,12 @@ TimState* tim = NULL;
 static void tim_init(void){
     tim = (TimState*)malloc(sizeof(TimState));
     memset(tim, 0, sizeof(TimState));
-    size_t cdb_size = (TIM_MAX_CELLS << TIM_ENABLE_DBUF);
-    tim->cells_double_buf = (TimCell*)malloc(cdb_size * sizeof(TimCell));
+    size_t cdb_size = (TIM_MAX_CELLS << TIM_ENABLE_DBUF) * sizeof(TimCell);
+    tim->cells_double_buf = (TimCell*)malloc(cdb_size);
+    memset(tim->cells_double_buf, 0, cdb_size);
     tim->cells = tim->cells_double_buf;
     tim->buf = (char*)malloc(TIM_MAX_BUF);
+    memset(tim->buf, 0, TIM_MAX_BUF);
 }
 
 static void tim_deinit(void){