diff --git a/nixos/modules/services/web-servers/apache-httpd/default.nix b/nixos/modules/services/web-servers/apache-httpd/default.nix
index ed66ea9fc87..760d7e147d7 100644
--- a/nixos/modules/services/web-servers/apache-httpd/default.nix
+++ b/nixos/modules/services/web-servers/apache-httpd/default.nix
@@ -12,7 +12,7 @@ let
 
   httpdConf = mainCfg.configFile;
 
-  php = pkgs.php.override { apacheHttpd = httpd; };
+  php = pkgs.php.override { apacheHttpd = httpd.dev; /* otherwise it only gets .out */ };
 
   getPort = cfg: if cfg.port != 0 then cfg.port else if cfg.enableSSL then 443 else 80;
 
diff --git a/pkgs/development/interpreters/php/default.nix b/pkgs/development/interpreters/php/default.nix
index 9448c4c159a..8c60fcb9ba2 100644
--- a/pkgs/development/interpreters/php/default.nix
+++ b/pkgs/development/interpreters/php/default.nix
@@ -30,7 +30,7 @@ let
         # SAPI modules:
 
         apxs2 = {
-          configureFlags = ["--with-apxs2=${apacheHttpd}/bin/apxs"];
+          configureFlags = ["--with-apxs2=${apacheHttpd.dev}/bin/apxs"];
           buildInputs = [apacheHttpd];
         };