diff --git a/test/watcom.mif b/test/watcom.mif
index 76987d30d..8c36d5e09 100644
--- a/test/watcom.mif
+++ b/test/watcom.mif
@@ -80,6 +80,9 @@ testvulkan.obj: testvulkan.c
   # new vulkan headers result in lots of W202 warnings
   wcc386 $(CFLAGS) -wcd=202 -fo=$^@ $<
 
+testautomation_stdlib.obj: testautomation_stdlib.c
+  wcc386 $(CFLAGS) -wcd=201 -fo=$^@ $<
+
 testautomation.exe: $(TAOBJS)
   wlink SYS $(SYSTEM) libpath $(LIBPATH) lib {$(LIBS)} op q op el file {$<} name $@