diff --git a/dlls/netapi32/tests/wksta.c b/dlls/netapi32/tests/wksta.c
index 12e278b19ea..614f4f47f5f 100644
--- a/dlls/netapi32/tests/wksta.c
+++ b/dlls/netapi32/tests/wksta.c
@@ -20,7 +20,7 @@
 
 #include "wine/test.h"
 #include "winbase.h"
-#include "winerror.h"
+#include "winresrc.h" /* Ensure we use Unicode defns with native headers */
 #include "nb30.h"
 #include "lmcons.h"
 #include "lmerr.h"