diff --git a/vimrc b/vimrc
index 396993d..9a3425d 100644
--- a/vimrc
+++ b/vimrc
@@ -1133,10 +1133,15 @@ endfunction
 command -nargs=0 ShowErrorEntries call s:ShowErrorEntries()
 
 
+" Jai
+"
+" Z:\path\main.jai:100,10: Error: Undeclared identifier 's1'.
+set errorformat=\\\ %#%f:%l\\,%c:\ %t%[A-z]%#:\ %m
+
 " Microsoft compiler: cl.exe
 "
 " Z:\path\main.cpp(2808): error C2220: the following warning is treated as an error
-set errorformat=\\\ %#%f(%l):\ %#%t%[A-z]%#\ %[A-z]%#%n:\ %m
+set errorformat+=\\\ %#%f(%l):\ %#%t%[A-z]%#\ %[A-z]%#%n:\ %m
 
 " Microsoft MSBuild errors
 "