diff --git a/pkgs/applications/misc/robomongo/default.nix b/pkgs/applications/misc/robomongo/default.nix
index 8b0ba581612..e0bb591ac28 100644
--- a/pkgs/applications/misc/robomongo/default.nix
+++ b/pkgs/applications/misc/robomongo/default.nix
@@ -9,7 +9,11 @@ stdenv.mkDerivation {
   };
 
   patches = [ ./robomongo.patch ];
-  
+
+  postPatch = ''
+    rm ./cmake/FindOpenSSL.cmake # remove outdated bundled CMake file
+  '';
+
   NIX_CFLAGS_COMPILE = "-fno-stack-protector";
 
   buildInputs = [ cmake boost scons qt5 openssl python pcre bzip2 ];