diff --git a/reactos/lib/kernel32/kernel32.def b/reactos/lib/kernel32/kernel32.def
index 8d1c13c732e..577691bf699 100644
--- a/reactos/lib/kernel32/kernel32.def
+++ b/reactos/lib/kernel32/kernel32.def
@@ -649,7 +649,7 @@ MultiByteToWideChar@24
 NeedCurrentDirectoryForExePathA@4
 NeedCurrentDirectoryForExePathW@4
 NlsConvertIntegerToString@20
-;NlsGetCacheUpdateCount
+NlsGetCacheUpdateCount@0
 ;NlsResetProcessLocale
 ;NumaVirtualQueryNode
 OpenConsoleW@16
diff --git a/reactos/lib/kernel32/misc/nls.c b/reactos/lib/kernel32/misc/nls.c
index bb1363ff24f..70929c780a0 100755
--- a/reactos/lib/kernel32/misc/nls.c
+++ b/reactos/lib/kernel32/misc/nls.c
@@ -987,4 +987,13 @@ IsDBCSLeadByte(BYTE TestByte)
    return IntIsLeadByte(&AnsiCodePage.CodePageTable, TestByte);
 }
 
+ULONG
+WINAPI
+NlsGetCacheUpdateCount(VOID)
+{
+    /* FIXME: */
+    UNIMPLEMENTED;
+    return 0;
+}
+
 /* EOF */