diff --git a/pkgs/os-specific/linux/squashfs/default.nix b/pkgs/os-specific/linux/squashfs/default.nix
index 8d86e3ab9cd..30cb4b81149 100644
--- a/pkgs/os-specific/linux/squashfs/default.nix
+++ b/pkgs/os-specific/linux/squashfs/default.nix
@@ -14,6 +14,8 @@ stdenv.mkDerivation rec {
     cd squashfs-tools
   '';
 
+  NIX_LDFLAGS = "-lgcc_s"; # for pthread_cancel
+
   installFlags = "INSTALL_DIR=\${out}/bin";
 
   meta = {