diff --git a/dwm.c b/dwm.c
index cdadd9a..fc80537 100644
--- a/dwm.c
+++ b/dwm.c
@@ -1593,7 +1593,7 @@ run(void)
 
 void
 runAutostart(void) {
-	system("killall dwmblocks 2>/dev/null ; dwmblocks &");
+	system("pidof -s dwmblocks >/dev/null || dwmblocks &");
 }
 
 void