diff --git a/reactos/ReactOS-generic.rbuild b/reactos/ReactOS-generic.rbuild
index 455d991e1bb..91aa3871a44 100644
--- a/reactos/ReactOS-generic.rbuild
+++ b/reactos/ReactOS-generic.rbuild
@@ -91,7 +91,7 @@
 		<compilerflag compiler="cxx">-Wno-non-virtual-dtor</compilerflag>
 		<compilerflag compiler="cc,cxx">-gstabs+</compilerflag>
 		<compilerflag compiler="as">-gstabs+</compilerflag>
-		<compilerflag compiler="midl">--win32</compilerflag>
+		<compilerflag compiler="midl">-m32 --win32</compilerflag>
 	</group>
 
 	<group compilerset="msc">