diff --git a/pkgs/applications/editors/emacs/elisp-packages/nongnu-common-overrides.nix b/pkgs/applications/editors/emacs/elisp-packages/nongnu-common-overrides.nix
index 06c66787c3f1..5c71f117ea75 100644
--- a/pkgs/applications/editors/emacs/elisp-packages/nongnu-common-overrides.nix
+++ b/pkgs/applications/editors/emacs/elisp-packages/nongnu-common-overrides.nix
@@ -20,5 +20,22 @@ in
       yasnippet
     ]
   );
+
+  # requires optional dependency for OMEMO support.
+  jabber = super.jabber.overrideAttrs (old: {
+    buildInputs = old.buildInputs ++ [ pkgs.mbedtls ];
+    nativeBuildInputs = old.nativeBuildInputs ++ [ pkgs.pkg-config ];
+
+    # We need to run this in postInstall for package directory to become available
+    postInstall =
+      (old.postInstall or "")
+      + "\n"
+      + ''
+        pushd $out/share/emacs/site-lisp/elpa/jabber-*/src
+        make CC=$CC
+        rm -r $out/share/emacs/site-lisp/elpa/jabber-*/src
+        popd
+      '';
+  });
   # keep-sorted end
 }