diff --git a/pkgs/development/python-modules/mahotas/default.nix b/pkgs/development/python-modules/mahotas/default.nix
index fa711c1b4cc6..2f234cc63542 100644
--- a/pkgs/development/python-modules/mahotas/default.nix
+++ b/pkgs/development/python-modules/mahotas/default.nix
@@ -38,6 +38,11 @@ buildPythonPackage rec {
       --replace 'ctypes.CDLL(libname)' 'np.ctypeslib.load_library("libfreeimage", "${freeimage}/lib")'
   '';
 
+  # mahotas/_morph.cpp:864:10: error: no member named 'random_shuffle' in namespace 'std'
+  env = lib.optionalAttrs stdenv.cc.isClang {
+    NIX_CFLAGS_COMPILE = "-std=c++14";
+  };
+
   # tests must be run in the build directory
   preCheck = ''
     cd build/lib*