diff --git a/configure b/configure
index a8bb60c113..4b35db0d9c 100755
--- a/configure
+++ b/configure
@@ -1393,7 +1393,7 @@ fi
 
 if test "$mingw32" = "yes" ; then
   if test -z "$prefix" ; then
-      prefix="c:\\\\Program Files\\\\Qemu"
+      prefix="c:/Program Files/Qemu"
   fi
   mansuffix=""
   datasuffix=""