diff --git a/src/fw-update/fw-update-device.cpp b/src/fw-update/fw-update-device.cpp
index 5470943272f..3ab2c5652db 100644
--- a/src/fw-update/fw-update-device.cpp
+++ b/src/fw-update/fw-update-device.cpp
@@ -15,6 +15,8 @@
 #include <thread>
 #include <string>
 #include <regex>
+#include <fstream>
+
 #define DEFAULT_TIMEOUT 100
 #define FW_UPDATE_INTERFACE_NUMBER 0
 namespace librealsense
@@ -187,7 +189,7 @@ namespace librealsense
         , _product_line( product_line )
         , _serial_number( mipi_device->get_info().serial_number )
     {
-        std::ifstream fw_path_in_device(_physical_port);
+        std::ifstream fw_path_in_device(_physical_port.c_str());
         if (!fw_path_in_device)
         {
             throw std::runtime_error("Firmware Update failed - wrong path or permissions missing");
@@ -304,7 +306,7 @@ namespace librealsense
             throw librealsense::invalid_value_exception("Device: " + get_serial_number() + " failed to update firmware\nImage is unsupported for this device or corrupted");
         // Write signed firmware to appropriate file descriptor
 
-        std::ofstream fw_path_in_device(_physical_port, std::ios::binary);
+        std::ofstream fw_path_in_device(_physical_port.c_str(), std::ios::binary);
         if (!fw_path_in_device)
         {
             throw std::runtime_error("Firmware Update failed - wrong path or permissions missing");
diff --git a/src/mf/mf-backend.cpp b/src/mf/mf-backend.cpp
index 9b1ce2cbd7f..2067888d71e 100644
--- a/src/mf/mf-backend.cpp
+++ b/src/mf/mf-backend.cpp
@@ -176,6 +176,11 @@ namespace librealsense
             return devices;
         }
 
+        std::vector<mipi_device_info> wmf_backend::query_mipi_devices() const
+        {
+            return std::vector<mipi_device_info>();
+        }
+
         class win_event_device_watcher : public device_watcher
         {
         public:
diff --git a/src/mf/mf-backend.h b/src/mf/mf-backend.h
index 41a5ac37560..87da8f6b421 100644
--- a/src/mf/mf-backend.h
+++ b/src/mf/mf-backend.h
@@ -25,6 +25,9 @@ namespace librealsense
 
             std::shared_ptr<hid_device> create_hid_device(hid_device_info info) const override;
             std::vector<hid_device_info> query_hid_devices() const override;
+
+            std::vector<mipi_device_info> query_mipi_devices() const override;
+
             std::shared_ptr<device_watcher> create_device_watcher() const override;
             std::string get_device_serial(uint16_t device_vid, uint16_t device_pid, const std::string& device_uid) const override;
 
diff --git a/src/rsusb-backend/rsusb-backend.cpp b/src/rsusb-backend/rsusb-backend.cpp
index 6fa2a737e93..745941d85de 100644
--- a/src/rsusb-backend/rsusb-backend.cpp
+++ b/src/rsusb-backend/rsusb-backend.cpp
@@ -64,5 +64,10 @@ namespace librealsense
         {
             return query_hid_devices_info();
         }
+
+        std::vector<mipi_device_info> rs_backend::query_mipi_devices() const
+        {
+            return std::vector<mipi_device_info>();
+        }
     }
 }
diff --git a/src/rsusb-backend/rsusb-backend.h b/src/rsusb-backend/rsusb-backend.h
index 5a35f0b2975..1018293e6da 100644
--- a/src/rsusb-backend/rsusb-backend.h
+++ b/src/rsusb-backend/rsusb-backend.h
@@ -27,6 +27,7 @@ namespace librealsense
             // Not supported
             std::shared_ptr<hid_device> create_hid_device(hid_device_info info) const override;
             std::vector<hid_device_info> query_hid_devices() const override;
+            std::vector<mipi_device_info> query_mipi_devices() const override;
         };
     }
 }