diff --git a/pkgs/servers/mqtt/mosquitto/default.nix b/pkgs/servers/mqtt/mosquitto/default.nix
index 0dacaf4cfe4..be7947a03d6 100644
--- a/pkgs/servers/mqtt/mosquitto/default.nix
+++ b/pkgs/servers/mqtt/mosquitto/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, openssl, libuuid }:
+{ stdenv, fetchurl, openssl, libuuid, cmake }:
 
 stdenv.mkDerivation rec {
   pname = "mosquitto";
@@ -11,7 +11,8 @@ stdenv.mkDerivation rec {
     sha256 = "1imw5ps0cqda41b574k8hgz9gdr8yy58f76fg8gw14pdnvf3l7sr";
   };
 
-  buildInputs = [ openssl libuuid ];
+  buildInputs = [ openssl libuuid ]
+    ++ stdenv.lib.optional stdenv.isDarwin cmake;
 
   makeFlags = [
     "DESTDIR=$(out)"