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Diffstat (limited to 'nixpkgs/pkgs/tools/graphics/fim/default.nix')
-rw-r--r--nixpkgs/pkgs/tools/graphics/fim/default.nix2
1 files changed, 1 insertions, 1 deletions
diff --git a/nixpkgs/pkgs/tools/graphics/fim/default.nix b/nixpkgs/pkgs/tools/graphics/fim/default.nix
index 296ba43a5ed7..3fc82a9c72a0 100644
--- a/nixpkgs/pkgs/tools/graphics/fim/default.nix
+++ b/nixpkgs/pkgs/tools/graphics/fim/default.nix
@@ -35,7 +35,7 @@ stdenv.mkDerivation rec {
     ++ optional jpegSupport libjpeg
     ++ optional pngSupport libpng;
 
-  NIX_CFLAGS_COMPILE = stdenv.lib.optional x11Support "-lSDL";
+  NIX_CFLAGS_COMPILE = stdenv.lib.optionalString x11Support "-lSDL";
 
   meta = with stdenv.lib; {
     description = "A lightweight, highly customizable and scriptable image viewer";