diff --git a/pixel.hpp b/pixel.hpp
index 327dc6c254593f7f043d072c6c25b0c4ccce5d9d..97ba4a67871b7d20810d4904d49d0b09a094f50f 100644
--- a/pixel.hpp
+++ b/pixel.hpp
@@ -7,6 +7,7 @@
 
 using namespace std;
 typedef ap_axis<32,0,0,0> pkt_t;
+
 typedef hls::stream< pkt_t > stream;
 void pixel(ap_int<32> selector,
 		ap_int<32> position1,