diff --git a/pkgs/tools/X11/primus/lib.nix b/pkgs/tools/X11/primus/lib.nix
index d30377d0e18..f3119a1a147 100644
--- a/pkgs/tools/X11/primus/lib.nix
+++ b/pkgs/tools/X11/primus/lib.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub
+{ stdenv, fetchFromGitHub, fetchpatch
 , libX11, mesa_noglu
 , nvidia_x11 ? null
 , libglvnd
@@ -20,6 +20,14 @@ in stdenv.mkDerivation {
     sha256 = "118jm57ccawskb8vjq3a9dpa2gh72nxzvx2zk7zknpy0arrdznj1";
   };
 
+  patches = [
+    # Bump buffer size for long library paths.
+    (fetchpatch {
+      url = "https://github.com/abbradar/primus/commit/2f429e232581c556df4f4bf210aee8a0c99c60b7.patch";
+      sha256 = "1da6ynz7r7x98495i329sf821308j1rpy8prcdraqahz7p4c89nc";
+    })
+  ];
+
   buildInputs = [ libX11 mesa_noglu ];
 
   makeFlags = [ "LIBDIR=$(out)/lib"