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-rw-r--r--src/device/device_ledger.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/device/device_ledger.cpp b/src/device/device_ledger.cpp
index 8735baeb6..bc7f37789 100644
--- a/src/device/device_ledger.cpp
+++ b/src/device/device_ledger.cpp
@@ -304,6 +304,7 @@ namespace hw {
SCARD_PCI_T0, this->buffer_send, this->length_send,
NULL, this->buffer_recv, &this->length_recv);
ASSERT_RV(rv);
+ ASSERT_T0(this->length_recv >= 2);
ASSERT_T0(this->length_recv <= BUFFER_RECV_SIZE);
logRESP();