diff --git a/include/uv.h b/include/uv.h
index d3e257f8..340ab11a 100644
--- a/include/uv.h
+++ b/include/uv.h
@@ -122,7 +122,8 @@ typedef intptr_t ssize_t;
   XX( 52, EXDEV, "cross-device link not permitted") \
   XX( 53, ENOTEMPTY, "directory not empty") \
   XX( 54, ENOSPC, "no space left on device") \
-  XX( 55, EIO, "i/o error")
+  XX( 55, EIO, "i/o error") \
+  XX( 56, EROFS, "read-only file system" )
 
 
 #define UV_ERRNO_GEN(val, name, s) UV_##name = val,
diff --git a/src/unix/error.c b/src/unix/error.c
index cbff2dde..62f1f143 100644
--- a/src/unix/error.c
+++ b/src/unix/error.c
@@ -95,6 +95,7 @@ uv_err_code uv_translate_sys_error(int sys_errno) {
     case EBUSY: return UV_EBUSY;
     case ENOTEMPTY: return UV_ENOTEMPTY;
     case ENOSPC: return UV_ENOSPC;
+    case EROFS: return UV_EROFS;
     case ENOMEM: return UV_ENOMEM;
     default: return UV_UNKNOWN;
   }