diff --git a/src/conio/Makefile b/src/conio/Makefile
index 22cc1dc9967f00f00127995cf9863a4b0c43be90..ce2607e2c9a2d595579f5ccb71de8a203defa230 100644
--- a/src/conio/Makefile
+++ b/src/conio/Makefile
@@ -17,7 +17,7 @@ SRC_ROOT = ..
 # Cross platform/compiler definitions
 !include ..\build\Common.bmake	# defines clean and output directory rules
 
-CFLAGS = -DWRAPPER_IMPORTS $(CFLAGS) $(XPDEV-MT_CFLAGS) $(MT_CFLAGS) -I$(CIOLIB_SRC)
+CFLAGS = -w-par -w-csu -DWRAPPER_IMPORTS $(CFLAGS) $(XPDEV-MT_CFLAGS) $(MT_CFLAGS) -I$(CIOLIB_SRC)
 OBJS = $(OBJS) $(MTOBJODIR)$(DIRSEP)win32cio$(OFILE)
 
 # SBBS DLL Link Rule