diff --git a/pkgs/servers/web-apps/wallabag/default.nix b/pkgs/servers/web-apps/wallabag/default.nix
index fda8dda9891a..956f33ca7404 100644
--- a/pkgs/servers/web-apps/wallabag/default.nix
+++ b/pkgs/servers/web-apps/wallabag/default.nix
@@ -32,6 +32,14 @@ stdenv.mkDerivation {
 
   patches = [
     ./wallabag-data.patch # exposes $WALLABAG_DATA
+
+    # Use sendmail from php.ini instead of FHS path.
+    (fetchpatch {
+      url = "https://github.com/symfony/swiftmailer-bundle/commit/31a4fed8f621f141ba70cb42ffb8f73184995f4c.patch";
+      stripLen = 1;
+      extraPrefix = "vendor/symfony/swiftmailer-bundle/";
+      sha256 = "rxHiGhKFd/ZWnIfTt6omFLLoNFlyxOYNCHIv/UtxCho=";
+    })
   ];
 
   dontBuild = true;