diff --git a/win32build.sh b/win32build.sh
index c938e0d..9a3a2f8 100755
--- a/win32build.sh
+++ b/win32build.sh
@@ -7,7 +7,6 @@
 # Helper script to cross-compile for Windows with MXE.
 # Note: Before running, be sure to add the MXE usr/bin location to PATH.
 
-export SF_RUN_IN_PLACE=1
-./configure --host=i686-w64-mingw32.static
+./configure --host=i686-w64-mingw32.static SF_RUN_IN_PLACE=1 SF_NOWARN=1
 make
 mv src/starfighter.exe .