--- wine-mono-4.5.4/build-winemono.sh.orig	2014-11-14 18:02:57.810439383 +0100
+++ wine-mono-4.5.4/build-winemono.sh	2014-11-14 18:03:20.583738750 +0100
@@ -9,7 +9,7 @@
 ORIGINAL_PATH="$PATH"
 REBUILD=0
 WINE=${WINE:-`which wine`}
-MSIFILENAME=winemono.msi
+MSIFILENAME=${MSIFILENAME:-winemono.msi}
 BUILD_TESTS=0
 USE_MONOLITE=0