diff --git a/src/libguac/guacamole/error-types.h b/src/libguac/guacamole/error-types.h
index ace62f852..dceb02752 100644
--- a/src/libguac/guacamole/error-types.h
+++ b/src/libguac/guacamole/error-types.h
@@ -125,6 +125,23 @@ typedef enum guac_status {
      */
     GUAC_STATUS_NOT_SUPPORTED,
 
+#ifdef WINDOWS_BUILD
+
+    /**
+     * Support for the requested operation is not yet implemented.
+     *
+     * @deprecated This constant contains a typo in its name and will be
+     * removed in a future release. Use GUAC_STATUS_NOT_IMPLEMENTED instead.
+     */
+    GUAC_STATUS_NOT_INPLEMENTED = 16,
+
+    /**
+     * Support for the requested operation is not yet implemented.
+     */
+    GUAC_STATUS_NOT_IMPLEMENTED = 16,
+
+#else
+
     /**
      * Support for the requested operation is not yet implemented.
      *
@@ -138,6 +155,8 @@ typedef enum guac_status {
      */
     GUAC_STATUS_NOT_IMPLEMENTED = 15,
 
+#endif
+
     /**
      * The operation is temporarily unable to be performed, but may succeed if
      * reattempted.