diff --git a/fingerprint/infra/scanner/src/main/java/com/simprints/fingerprint/infra/scanner/v2/channel/StmOtaMessageChannel.kt b/fingerprint/infra/scanner/src/main/java/com/simprints/fingerprint/infra/scanner/v2/channel/StmOtaMessageChannel.kt
index 3c70c4180a..90d47828f3 100644
--- a/fingerprint/infra/scanner/src/main/java/com/simprints/fingerprint/infra/scanner/v2/channel/StmOtaMessageChannel.kt
+++ b/fingerprint/infra/scanner/src/main/java/com/simprints/fingerprint/infra/scanner/v2/channel/StmOtaMessageChannel.kt
@@ -21,4 +21,9 @@ class StmOtaMessageChannel(
             outgoing.sendMessage(command).doSimultaneously(incoming.receiveResponse<R>()).await()
         }
 
+    suspend inline fun sendStmOtaModeCommand(command: StmOtaCommand) =
+        runLockedTask {
+            outgoing.sendMessage(command).await()
+        }
+
 }
diff --git a/fingerprint/infra/scanner/src/main/java/com/simprints/fingerprint/infra/scanner/v2/scanner/ota/stm/StmOtaController.kt b/fingerprint/infra/scanner/src/main/java/com/simprints/fingerprint/infra/scanner/v2/scanner/ota/stm/StmOtaController.kt
index 10e67d2eb5..505bb84941 100644
--- a/fingerprint/infra/scanner/src/main/java/com/simprints/fingerprint/infra/scanner/v2/scanner/ota/stm/StmOtaController.kt
+++ b/fingerprint/infra/scanner/src/main/java/com/simprints/fingerprint/infra/scanner/v2/scanner/ota/stm/StmOtaController.kt
@@ -105,7 +105,7 @@ class StmOtaController {
         stmOtaMessageChannel
             .sendStmOtaModeCommandAndReceiveResponse<CommandAcknowledgement>(GoCommand())
             .verifyResponseIsAck()
-        stmOtaMessageChannel.outgoing.sendMessage( // The ACK sometimes doesn't make it back before the Cypress module disconnects
+        stmOtaMessageChannel.sendStmOtaModeCommand( // The ACK sometimes doesn't make it back before the Cypress module disconnects
             GoAddressCommand(GO_ADDRESS.toByteArray(StmOtaMessageProtocol.byteOrder))
         )
     }