diff --git a/armsrc/lfops.c b/armsrc/lfops.c
index b9dbe64ea..682c4ac5b 100644
--- a/armsrc/lfops.c
+++ b/armsrc/lfops.c
@@ -2041,7 +2041,7 @@ void T55xxReadBlock(uint8_t page, bool pwd_mode, bool brute_mem, uint8_t block,
 
     // Acquisition
     // Now do the acquisition
-    DoPartialAcquisition(0, true, samples, 1000);
+    DoPartialAcquisition(0, false, samples, 1000);
 
     // Turn the field off
     if (brute_mem == false) {