diff --git a/armsrc/lfops.c b/armsrc/lfops.c
index ae1a48889..bbd848ce0 100644
--- a/armsrc/lfops.c
+++ b/armsrc/lfops.c
@@ -401,6 +401,7 @@ void SimulateTagLowFrequency(int period, int gap, int ledcontrol)
 	//FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_EDGE_DETECT);
 
 	AT91C_BASE_PIOA->PIO_PER = GPIO_SSC_DOUT | GPIO_SSC_CLK;
+	//AT91C_BASE_PIOA->PIO_PER = GPIO_SSC_DOUT;
 	AT91C_BASE_PIOA->PIO_OER = GPIO_SSC_DOUT;
 	AT91C_BASE_PIOA->PIO_ODR = GPIO_SSC_CLK;