diff --git a/extra/opendoas/build b/extra/opendoas/build
index 43c98442..2512db86 100755
--- a/extra/opendoas/build
+++ b/extra/opendoas/build
@@ -3,6 +3,7 @@
 sed -i '/chown/d' GNUmakefile
 
 ./configure \
+    --prefix=/usr \
     --enable-static \
     --with-shadow \
     --with-timestamp \