diff --git a/build/buildbot/config/include/unix.xml b/build/buildbot/config/include/unix.xml
index 2aa1399040..7fefa8c947 100644
--- a/build/buildbot/config/include/unix.xml
+++ b/build/buildbot/config/include/unix.xml
@@ -83,7 +83,7 @@
- ../src/configure --disable-precomp-headers --disable-compat28 --disable-compat26
+ ../src/configure --disable-precomp-headers --disable-compat28 --disable-compat26
find . -name Makefile | xargs perl -pi -e 's/^(?:CC|CXX) = /$&ccache /'