diff --git a/linux/acs/AcsBoardPolling.cpp b/linux/acs/AcsBoardPolling.cpp
index 38bf4351..811c6a72 100644
--- a/linux/acs/AcsBoardPolling.cpp
+++ b/linux/acs/AcsBoardPolling.cpp
@@ -410,7 +410,7 @@ ReturnValue_t AcsBoardPolling::writeAdisReg(SpiCookie& cookie) {
   spi_ioc_transfer* transferStruct = cookie.getTransferStructHandle();
   uint64_t origTx = transferStruct->tx_buf;
   uint64_t origRx = transferStruct->rx_buf;
-  for (idx = 0; idx < 2; idx++) {
+  for (idx = 0; idx < 4; idx++) {
     result = mutex->lockMutex(timeoutType, timeoutMs);
     if (result != returnvalue::OK) {
 #if FSFW_CPP_OSTREAM_ENABLED == 1