diff --git a/pkgs/tools/networking/sshping/default.nix b/pkgs/tools/networking/sshping/default.nix
index 20f0eaa7e471..aa3e57d53f88 100644
--- a/pkgs/tools/networking/sshping/default.nix
+++ b/pkgs/tools/networking/sshping/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ libssh ];
 
   buildPhase = ''
-      g++ -Wall -I ext/ -o bin/sshping src/sshping.cxx -lssh
+      $CXX -Wall -I ext/ -o bin/sshping src/sshping.cxx -lssh
     '';
 
   installPhase = ''