diff --git a/ale_linters/nim/nimcheck.vim b/ale_linters/nim/nimcheck.vim
index b5796dcd..b739ca04 100644
--- a/ale_linters/nim/nimcheck.vim
+++ b/ale_linters/nim/nimcheck.vim
@@ -1,6 +1,15 @@
 " Author: Baabelfish
 " Description: Typechecking for nim files
 
+let s:end_col_patterns = [
+\   '\v''([^'']+)'' is declared but not used.*',
+\   '\videntifier expected, but found ''([^'']+)''',
+\   '\vimported and not used: ''([^'']+)''.*',
+\   '\vundeclared identifier: ''([^'']+)''',
+\   '\v''([^'']+)'' cannot be assigned to',
+\   '\vredefinition of ''([^'']+)'';',
+\]
+
 function! ale_linters#nim#nimcheck#Handle(buffer, lines) abort
     let l:buffer_filename = fnamemodify(bufname(a:buffer), ':p:t')
     let l:pattern = '^\(.\+\.nim\)(\(\d\+\), \(\d\+\)) \(.\+\)'
@@ -43,6 +52,11 @@ function! ale_linters#nim#nimcheck#Handle(buffer, lines) abort
             let l:item.code = l:code_match[2]
         endif
 
+        " Find position end_col.
+        for l:col_match in ale#util#GetMatches(l:item.text, s:end_col_patterns)
+            let l:item.end_col = l:item.col + len(l:col_match[1]) - 1
+        endfor
+
         call add(l:output, l:item)
     endfor
 
diff --git a/test/handler/test_nim_handler.vader b/test/handler/test_nim_handler.vader
index e484000e..b6784d84 100644
--- a/test/handler/test_nim_handler.vader
+++ b/test/handler/test_nim_handler.vader
@@ -21,6 +21,7 @@ Execute(Parsing nim errors should work):
   \     'col': 2,
   \     'text': 'identifier expected, but found ''a.barfoo''',
   \     'type': 'E',
+  \     'end_col': 9,
   \   },
   \   {
   \     'lnum': 2,
@@ -28,6 +29,7 @@ Execute(Parsing nim errors should work):
   \     'text': '''NotUsed'' is declared but not used',
   \     'code': 'XDeclaredButNotUsed',
   \     'type': 'W',
+  \     'end_col': 11,
   \   },
   \   {
   \     'lnum': 12,
@@ -35,6 +37,35 @@ Execute(Parsing nim errors should work):
   \     'text': 'with : character',
   \     'type': 'E',
   \   },
+  \   {
+  \     'lnum': 1,
+  \     'col': 8,
+  \     'text': 'imported and not used: ''strutils''',
+  \     'code': 'UnusedImport',
+  \     'type': 'W',
+  \     'end_col': 15,
+  \   },
+  \   {
+  \     'lnum': 12,
+  \     'col': 9,
+  \     'text': 'undeclared identifier: ''total''',
+  \     'type': 'E',
+  \     'end_col': 13,
+  \   },
+  \   {
+  \     'lnum': 14,
+  \     'col': 1,
+  \     'text': '''sum'' cannot be assigned to',
+  \     'type': 'E',
+  \     'end_col': 3,
+  \   },
+  \   {
+  \     'lnum': 15,
+  \     'col': 1,
+  \     'text': 'redefinition of ''getName''; previous declaration here: /nested/folder/foobar.nim(14, 6)',
+  \     'type': 'E',
+  \     'end_col': 7,
+  \   },
   \ ],
   \ ale_linters#nim#nimcheck#Handle(bufnr(''), [
   \ 'Line with wrong( format)',
@@ -42,4 +73,8 @@ Execute(Parsing nim errors should work):
   \ 'foobar.nim(12, 2) Error: identifier expected, but found ''a.barfoo''',
   \ '/nested/folder/foobar.nim(2, 5) Hint: ''NotUsed'' is declared but not used [XDeclaredButNotUsed]',
   \ 'foobar.nim(12, 2) Error: with : character',
+  \ 'foobar.nim(1, 8) Warning: imported and not used: ''strutils'' [UnusedImport]',
+  \ 'foobar.nim(12, 9) Error: undeclared identifier: ''total''',
+  \ 'foobar.nim(14, 1) Error: ''sum'' cannot be assigned to',
+  \ 'foobar.nim(15, 1) Error: redefinition of ''getName''; previous declaration here: /nested/folder/foobar.nim(14, 6)',
   \ ])