diff --git a/gnu/packages/bittorrent.scm b/gnu/packages/bittorrent.scm
index dc051e2627..b168f88e08 100644
--- a/gnu/packages/bittorrent.scm
+++ b/gnu/packages/bittorrent.scm
@@ -391,7 +391,8 @@ and will take advantage of multiple processor cores where possible.")
                             (assoc-ref %build-inputs "boost")
                             "/lib")
              "--enable-python-binding"
-             "--enable-tests")
+             "--enable-tests"
+             "CXXFLAGS=-std=c++11")     ; Use std::chrono instead of boost
        #:make-flags (list
                      (string-append "LDFLAGS=-Wl,-rpath="
                                     (assoc-ref %outputs "out") "/lib"))))