diff --git a/pkgs/by-name/li/libx11/package.nix b/pkgs/by-name/li/libx11/package.nix
index 6405cbd46274..cde598fa68cd 100644
--- a/pkgs/by-name/li/libx11/package.nix
+++ b/pkgs/by-name/li/libx11/package.nix
@@ -39,7 +39,10 @@ stdenv.mkDerivation (finalAttrs: {
     xtrans
   ];
 
-  propagatedBuildInputs = [ xorgproto ];
+  propagatedBuildInputs = [
+    xorgproto
+    libxcb
+  ];
 
   configureFlags =
     lib.optional (stdenv.hostPlatform != stdenv.buildPlatform) "--enable-malloc0returnsnull"