diff --git a/pkgs/by-name/_0/_0xproto/package.nix b/pkgs/by-name/_0/_0xproto/package.nix
index 3bfa7ce0605b..8555c5704d59 100644
--- a/pkgs/by-name/_0/_0xproto/package.nix
+++ b/pkgs/by-name/_0/_0xproto/package.nix
@@ -18,10 +18,12 @@ stdenvNoCC.mkDerivation rec {
       stripRoot = false;
     };
 
+  # Exclude files in ZxProto/. The fonts are identical, with only the filenames changed.:
+  # https://github.com/0xType/0xProto/pull/112
   installPhase = ''
     runHook preInstall
-    install -Dm644 -t $out/share/fonts/opentype/ *.otf
-    install -Dm644 -t $out/share/fonts/truetype/ *.ttf
+    install -Dm644 -t $out/share/fonts/opentype/ *.otf ./No-Ligatures/*-NL.otf
+    install -Dm644 -t $out/share/fonts/truetype/ *.ttf ./No-Ligatures/*-NL.ttf
     runHook postInstall
   '';