Index: src/winetricks
===================================================================
--- src/winetricks	(revision 1162)
+++ src/winetricks	(working copy)
@@ -3668,6 +3668,10 @@
             WINESERVER="$x" ;;
         esac
 
+        case "$WINESERVER" in
+            *wine-unstable*) [ -x /usr/bin/wine-unstable ] && WINE=wine-unstable;; 
+        esac
+
         if test "$WINEPREFIX"
         then
             WINETRICKS_ORIGINAL_WINEPREFIX="$WINEPREFIX"