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Diffstat (limited to 'pkgs/tools/cd-dvd/vobsub2srt/default.nix')
-rw-r--r--pkgs/tools/cd-dvd/vobsub2srt/default.nix2
1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/tools/cd-dvd/vobsub2srt/default.nix b/pkgs/tools/cd-dvd/vobsub2srt/default.nix
index 1d67a0483cc..159be4e14b6 100644
--- a/pkgs/tools/cd-dvd/vobsub2srt/default.nix
+++ b/pkgs/tools/cd-dvd/vobsub2srt/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-i6V2Owb8GcTcWowgb/BmdupOSFsYiCF2SbC9hXa26uY=";
   };
 
-  env.NIX_CFLAGS_COMPILE = lib.optionals stdenv.cc.isGNU [ "-std=c++11" ];
+  env.NIX_CFLAGS_COMPILE = toString (lib.optionals stdenv.cc.isGNU [ "-std=c++11" ]);
 
   nativeBuildInputs = [ cmake pkg-config ];
   buildInputs = [ libtiff ];