diff --git a/doc/api/errors.md b/doc/api/errors.md
index ca2beef2dd5..b9d26421497 100644
--- a/doc/api/errors.md
+++ b/doc/api/errors.md
@@ -1159,6 +1159,11 @@ inspector was already connected.
 While using the `inspector` module, an attempt was made to use the inspector
 after the session had already closed.
 
+<a id="ERR_INSPECTOR_COMMAND"></a>
+### ERR_INSPECTOR_COMMAND
+
+An error occurred while issuing a command via the `inspector` module.
+
 <a id="ERR_INSPECTOR_NOT_AVAILABLE"></a>
 ### ERR_INSPECTOR_NOT_AVAILABLE
 
diff --git a/lib/internal/errors.js b/lib/internal/errors.js
index 13a6194d0cb..b3b745252a1 100644
--- a/lib/internal/errors.js
+++ b/lib/internal/errors.js
@@ -706,6 +706,7 @@ E('ERR_INCOMPATIBLE_OPTION_PAIR',
   'Option "%s" can not be used in combination with option "%s"', TypeError);
 E('ERR_INSPECTOR_ALREADY_CONNECTED', '%s is already connected', Error);
 E('ERR_INSPECTOR_CLOSED', 'Session was closed', Error);
+E('ERR_INSPECTOR_COMMAND', 'Inspector error %d: %s', Error);
 E('ERR_INSPECTOR_NOT_AVAILABLE', 'Inspector is not available', Error);
 E('ERR_INSPECTOR_NOT_CONNECTED', 'Session is not connected', Error);
 E('ERR_INVALID_ADDRESS_FAMILY', 'Invalid address family: %s', RangeError);