diff --git a/c8_remote/include/usb_helpers.h b/c8_remote/include/usb_helpers.h
index 672a537..841600c 100644
--- a/c8_remote/include/usb_helpers.h
+++ b/c8_remote/include/usb_helpers.h
@@ -46,4 +46,6 @@ int ctrl_transfer(struct pwned_device *dev,
 int reset(struct pwned_device *dev);
 int serial_descriptor(struct pwned_device *dev, unsigned char *serial_buf, int len);
 
+const char *usb_error_name(int ret);
+
 #endif //CHECKM8_TOOL_LIBUSB_HELPERS_H
diff --git a/c8_remote/src/command.c b/c8_remote/src/command.c
index 08dd929..0051b3d 100644
--- a/c8_remote/src/command.c
+++ b/c8_remote/src/command.c
@@ -29,7 +29,7 @@ int dfu_send_data(struct pwned_device *dev, unsigned char *data, long data_len,
         if(ret > 0) checkm8_debug_indent("\ttransferred %i bytes\n", ret);
         else
         {
-            checkm8_debug_indent("\trequest failed with error code %i\n", ret);
+            checkm8_debug_indent("\trequest failed with error code %i (%s)\n", ret, usb_error_name(ret));
             return CHECKM8_FAIL_XFER;
         }
         index += amount;
@@ -75,7 +75,7 @@ struct dev_cmd_resp *command(struct pwned_device *dev,
     if(ret >= 0) checkm8_debug_indent("\ttransferred %i bytes\n", ret);
     else
     {
-        checkm8_debug_indent("\trequest failed with error code %i\n", ret);
+        checkm8_debug_indent("\trequest failed with error code %i (%s)\n", ret, usb_error_name(ret));
         cmd_resp->ret = ret;
         return cmd_resp;
     }
@@ -84,7 +84,7 @@ struct dev_cmd_resp *command(struct pwned_device *dev,
     if(ret >= 0) checkm8_debug_indent("\ttransferred %i bytes\n", ret);
     else
     {
-        checkm8_debug_indent("\trequest failed with error code %i\n", ret);
+        checkm8_debug_indent("\trequest failed with error code %i (%s)\n", ret, usb_error_name(ret));
         cmd_resp->ret = ret;
         return cmd_resp;
     }
@@ -93,7 +93,7 @@ struct dev_cmd_resp *command(struct pwned_device *dev,
     if(ret >= 0) checkm8_debug_indent("\ttransferred %i bytes\n", ret);
     else
     {
-        checkm8_debug_indent("\trequest failed with error code %i\n", ret);
+        checkm8_debug_indent("\trequest failed with error code %i (%s)\n", ret, usb_error_name(ret));
         cmd_resp->ret = ret;
         return cmd_resp;
     }
@@ -114,7 +114,7 @@ struct dev_cmd_resp *command(struct pwned_device *dev,
         if(ret >= 0) checkm8_debug_indent("\tfinal request transferred %i bytes\n", ret);
         else
         {
-            checkm8_debug_indent("\tfinal request failed with error code %i\n", ret);
+            checkm8_debug_indent("\tfinal request failed with error code %i (%s)\n", ret, usb_error_name(ret));
             cmd_resp->ret = ret;
             return cmd_resp;
         }
@@ -128,7 +128,7 @@ struct dev_cmd_resp *command(struct pwned_device *dev,
         if(ret >= 0) checkm8_debug_indent("\tfinal request transferred %i bytes\n", ret);
         else
         {
-            checkm8_debug_indent("\tfinal request failed with error code %i\n", ret);
+            checkm8_debug_indent("\tfinal request failed with error code %i (%s)\n", ret, usb_error_name(ret));
             cmd_resp->ret = ret;
             return cmd_resp;
         }
diff --git a/c8_remote/src/usb_helpers.c b/c8_remote/src/usb_helpers.c
index d64b22b..06e7027 100644
--- a/c8_remote/src/usb_helpers.c
+++ b/c8_remote/src/usb_helpers.c
@@ -247,6 +247,7 @@ int is_device_session_open(struct pwned_device *dev)
 }
 
 #ifdef WITH_ARDUINO
+
 void ard_read(struct pwned_device *dev, unsigned char *target, int nbytes)
 {
     int index = 0, amount;
@@ -257,6 +258,7 @@ void ard_read(struct pwned_device *dev, unsigned char *target, int nbytes)
         else index += amount;
     }
 }
+
 #endif
 
 
@@ -649,4 +651,41 @@ int serial_descriptor(struct pwned_device *dev, unsigned char *serial_buf, int l
     libusb_get_string_descriptor_ascii(handle, desc->iSerialNumber, serial_buf, len);
     return CHECKM8_SUCCESS;
 #endif
+}
+
+const char *usb_error_name(int code)
+{
+#ifdef WITH_ARDUINO
+    switch(code)
+    {
+        case CHECKM8_SUCCESS:
+            return "CHECKM8_SUCCESS";
+
+        case CHECKM8_FAIL_INVARGS:
+            return "CHECKM8_FAIL_INVARGS";
+
+        case CHECKM8_FAIL_NODEV:
+            return "CHECKM8_FAIL_NODEV";
+
+        case CHECKM8_FAIL_NOEXP:
+            return "CHECKM8_FAIL_NOEXP";
+
+        case CHECKM8_FAIL_NOTDONE:
+            return "CHECKM8_FAIL_NOTDONE";
+
+        case CHECKM8_FAIL_XFER:
+            return "CHECKM8_FAIL_XFER";
+
+        case CHECKM8_FAIL_NOINST:
+            return "CHECKM8_FAIL_NOINST";
+
+        case CHECKM8_FAIL_PROT:
+            return "CHECKM8_FAIL_PROT";
+
+        default:
+            return "UNKNOWN";
+    }
+#else
+    return libusb_error_name(code);
+#endif
 }
\ No newline at end of file