diff --git a/pkgs/development/libraries/libressl/default.nix b/pkgs/development/libraries/libressl/default.nix
index f8350f7c4a53..9629c0e961a9 100644
--- a/pkgs/development/libraries/libressl/default.nix
+++ b/pkgs/development/libraries/libressl/default.nix
@@ -127,10 +127,28 @@ in {
   libressl_3_8 = generic {
     version = "3.8.4";
     hash = "sha256-wM75z+F0rDZs5IL1Qv3bB3Ief6DK+s40tJqHIPo3/n0=";
+
+    patches = [
+      # Fixes build on ppc64
+      # https://github.com/libressl/portable/pull/1073
+      (fetchpatch {
+        url = "https://github.com/libressl/portable/commit/e6c7de3f03c51fbdcf5ad88bf12fe9e128521f0d.patch";
+        hash = "sha256-LJy3fjbnc9h5DG3/+8bLECwJeBpPxy3hU8sPuhovmcw=";
+      })
+    ];
   };
 
   libressl_3_9 = generic {
     version = "3.9.2";
     hash = "sha256-ewMdrGSlnrbuMwT3/7ddrTOrjJ0nnIR/ksifuEYGj5c=";
+
+    patches = [
+      # Fixes build on ppc64
+      # https://github.com/libressl/portable/pull/1073
+      (fetchpatch {
+        url = "https://github.com/libressl/portable/commit/e6c7de3f03c51fbdcf5ad88bf12fe9e128521f0d.patch";
+        hash = "sha256-LJy3fjbnc9h5DG3/+8bLECwJeBpPxy3hU8sPuhovmcw=";
+      })
+    ];
   };
 }