diff --git a/indent/nim.vim b/indent/nim.vim
index 06d6150..4eca11c 100644
--- a/indent/nim.vim
+++ b/indent/nim.vim
@@ -119,7 +119,7 @@ function! GetNimIndent(lnum)
   endif
 
   if pline =~ '\(type\|import\|const\|var\)\s*$'
-    \ || pline =~ '=\s*\(object\|enum\|tuple\|generic\)'
+    \ || pline =~ '=\s*\(object\|enum\|tuple\|concept\)'
     return plindent + &sw
   endif