diff --git a/pkgs/development/php-packages/swoole/default.nix b/pkgs/development/php-packages/swoole/default.nix
index c9ec1b3938f0..a6687922bc17 100644
--- a/pkgs/development/php-packages/swoole/default.nix
+++ b/pkgs/development/php-packages/swoole/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildPecl, php, valgrind, pcre2 }:
+{ lib, stdenv, buildPecl, php, valgrind, pcre2 }:
 
 buildPecl {
   pname = "swoole";
@@ -6,7 +6,7 @@ buildPecl {
   version = "4.6.7";
   sha256 = "107wp403z8skkqrcm240vyyy6wqx5a4v2bqhlshlknyi14r2v165";
 
-  buildInputs = [ valgrind pcre2 ];
+  buildInputs = [ pcre2 ] ++ lib.optionals (!stdenv.isDarwin) [ valgrind ];
   internalDeps = lib.optionals (lib.versionOlder php.version "7.4") [ php.extensions.hash ];
 
   doCheck = true;