diff --git a/firmware/common/xapp058/ports.c b/firmware/common/xapp058/ports.c
index c054c74c..c605a5ec 100644
--- a/firmware/common/xapp058/ports.c
+++ b/firmware/common/xapp058/ports.c
@@ -132,7 +132,9 @@ void setPort(short p,short val)
 void pulseClock()
 {
     setPort(TCK,0);  /* set the TCK port to low  */
+	delay(200);
     setPort(TCK,1);  /* set the TCK port to high */
+	delay(200);
 }