diff --git a/pkgs/development/libraries/libe-book/default.nix b/pkgs/development/libraries/libe-book/default.nix
index 6c52f2c0b1a..805b1869ac3 100644
--- a/pkgs/development/libraries/libe-book/default.nix
+++ b/pkgs/development/libraries/libe-book/default.nix
@@ -36,6 +36,6 @@ stdenv.mkDerivation {
     description = ''Library for import of reflowable e-book formats'';
     license = stdenv.lib.licenses.lgpl21Plus ;
     maintainers = [stdenv.lib.maintainers.raskin];
-    platforms = stdenv.lib.platforms.linux;
+    platforms = stdenv.lib.platforms.unix;
   };
 }