diff --git a/IntelBluetoothFirmware/BtIntel.cpp b/IntelBluetoothFirmware/BtIntel.cpp
index a2cd29f..b5fef3f 100644
--- a/IntelBluetoothFirmware/BtIntel.cpp
+++ b/IntelBluetoothFirmware/BtIntel.cpp
@@ -65,6 +65,27 @@ intelSendHCISync(HciCommandHdr *cmd, void *event, uint32_t eventBufSize, uint32_
     return true;
 }
 
+bool BtIntel::
+intelSendHCISyncEvent(HciCommandHdr *cmd, void *event, uint32_t eventBufSize, uint32_t *size, uint8_t syncEvent, int timeout)
+{
+    IOReturn ret;
+    if ((ret = m_pUSBDeviceController->sendHCIRequest(cmd, timeout)) != kIOReturnSuccess) {
+        XYLog("%s sendHCIRequest failed: %s %d\n", __FUNCTION__, m_pUSBDeviceController->stringFromReturn(ret), ret);
+        return false;
+    }
+    do {
+        ret = m_pUSBDeviceController->interruptPipeRead(event, eventBufSize, size, timeout);
+        if (ret != kIOReturnSuccess) {
+            XYLog("%s interruptPipeRead failed: %s %d\n", __FUNCTION__, m_pUSBDeviceController->stringFromReturn(ret), ret);
+            break;
+        }
+        if (*(uint8_t *)event == syncEvent) {
+            return true;
+        }
+    } while (true);
+    return false;
+}
+
 bool BtIntel::
 intelBulkHCISync(HciCommandHdr *cmd, void *event, uint32_t eventBufSize, uint32_t *size, int timeout)
 {
diff --git a/IntelBluetoothFirmware/BtIntel.h b/IntelBluetoothFirmware/BtIntel.h
index 662ffac..d7d8d81 100644
--- a/IntelBluetoothFirmware/BtIntel.h
+++ b/IntelBluetoothFirmware/BtIntel.h
@@ -192,6 +192,8 @@ class BtIntel : public OSObject {
     
     bool intelSendHCISync(HciCommandHdr *cmd, void *event, uint32_t eventBufSize, uint32_t *size, int timeout);
     
+    bool intelSendHCISyncEvent(HciCommandHdr *cmd, void *event, uint32_t eventBufSize, uint32_t *size, uint8_t syncEvent, int timeout);
+    
     bool intelBulkHCISync(HciCommandHdr *cmd, void *event, uint32_t eventBufSize, uint32_t *size, int timeout);
     
 protected:
diff --git a/IntelBluetoothFirmware/IntelBluetoothOpsGen1.cpp b/IntelBluetoothFirmware/IntelBluetoothOpsGen1.cpp
index f972df3..e7213c3 100644
--- a/IntelBluetoothFirmware/IntelBluetoothOpsGen1.cpp
+++ b/IntelBluetoothFirmware/IntelBluetoothOpsGen1.cpp
@@ -311,7 +311,7 @@ patching(OSData *fwData, const uint8_t **fw_ptr, bool *disablePatch)
     hciCmd->len = cmd->len;
     memcpy(hciCmd->data, cmdParam, hciCmd->len);
     
-    if (!intelSendHCISync(hciCmd, resp, sizeof(respBuf), &actRespLen, HCI_INIT_TIMEOUT)) {
+    if (!intelSendHCISyncEvent(hciCmd, resp, sizeof(respBuf), &actRespLen, evt->evt, HCI_INIT_TIMEOUT)) {
         XYLog("sending Intel patch command (0x%4.4x) failed\n", hciCmd->opcode);
         return false;
     }