diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index d972025d7cc0..00cdeeeb2975 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4458,7 +4458,9 @@ in
     docbook-xsl = docbook_xsl;
   };
 
-  mosh = callPackage ../tools/networking/mosh { };
+  mosh = callPackage ../tools/networking/mosh {
+    stdenv = if stdenv.cc.isClang then llvmPackages_6.stdenv else stdenv;
+  };
 
   motuclient = callPackage ../applications/science/misc/motu-client { };