diff --git a/gnu/packages/mp3.scm b/gnu/packages/mp3.scm
index 6dc58e2cc8..f57ebf575a 100644
--- a/gnu/packages/mp3.scm
+++ b/gnu/packages/mp3.scm
@@ -508,6 +508,7 @@ command-line tool.")
     (arguments
      `(#:tests? #f ; tests require googletest *sources*
        ;;#:configure-flags '("-DBUILD_TESTS=ON") ; for building the tests
+       #:configure-flags '("-DBUILD_TOOLS=ON") ; for fpcalc
        #:test-target "check"))
     (inputs
      ;; requires one of FFmpeg (prefered), FFTW3 or vDSP