diff --git a/debian/configure.sh b/debian/configure.sh
index 3822a4c28..6120515fa 100644
--- a/debian/configure.sh
+++ b/debian/configure.sh
@@ -1,5 +1,6 @@
 #!/bin/bash
 source=$1
+prefix=$2
 pushd $source/desmume
 sed -i 's/\r//' AUTHORS
 for txtfile in AUTHORS
@@ -12,7 +13,7 @@ find src -name *.[ch]* -exec chmod 644 {} \;
 popd
 pushd $source/desmume/src/frontend/posix
 ./autogen.sh
-./configure --prefix=/usr --bindir=/usr/games --datadir=/usr/share/games \
+./configure --prefix=$prefix --bindir=$prefix/games --datadir=$prefix/share/games \
 			--enable-gdb-stub \
 			--enable-osmesa \
 			--enable-glade