diff --git a/armsrc/iso14443a.c b/armsrc/iso14443a.c
index 6ada61171..6cd7c9525 100644
--- a/armsrc/iso14443a.c
+++ b/armsrc/iso14443a.c
@@ -2687,7 +2687,7 @@ void iso14443a_setup(uint8_t fpga_minor_mode) {
         LED_D_ON();
 
     FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | fpga_minor_mode);
-    SpinDelay(100);
+    SpinDelay(50);
 
     // Start the timer
     StartCountSspClk();