diff --git a/programs/cmd/builtins.c b/programs/cmd/builtins.c
index 8bb84f68a66..e738626a6fd 100644
--- a/programs/cmd/builtins.c
+++ b/programs/cmd/builtins.c
@@ -976,7 +976,9 @@ void WCMD_for (WCHAR *p, CMD_LIST **cmdList) {
   while (*curPos && *curPos==' ') curPos++;
 
   /* Ensure line continues with IN */
-  if (!*curPos || lstrcmpiW (curPos, inW)) {
+  if (!*curPos
+       || CompareStringW(LOCALE_USER_DEFAULT, NORM_IGNORECASE | SORT_STRINGSORT,
+                         curPos, 3, inW, -1) != CSTR_EQUAL) {
       WCMD_output (WCMD_LoadMessage(WCMD_SYNTAXERR));
       return;
   }
diff --git a/programs/cmd/tests/test_builtins.cmd b/programs/cmd/tests/test_builtins.cmd
index a83e568637f..ffbc81469fa 100644
--- a/programs/cmd/tests/test_builtins.cmd
+++ b/programs/cmd/tests/test_builtins.cmd
@@ -318,6 +318,7 @@ for %%i in (A B C) do echo %%j
 for %%i in (A B C) do call :forTestFun1 %%i
 for %%i in (1,4,1) do echo %%i
 for %%i in (A, B,C) do echo %%i
+for %%i in  (X) do echo %%i
 goto :endForTestFun1
 :forTestFun1
 echo %1
diff --git a/programs/cmd/tests/test_builtins.cmd.exp b/programs/cmd/tests/test_builtins.cmd.exp
index 7ebe57a076f..2954e166bc6 100644
--- a/programs/cmd/tests/test_builtins.cmd.exp
+++ b/programs/cmd/tests/test_builtins.cmd.exp
@@ -223,6 +223,7 @@ C
 A
 B
 C
+X
 ...imbricated FORs
 @todo_wine@X Y
 @todo_wine@X Y