diff --git a/nixos/modules/services/web-servers/apache-httpd/default.nix b/nixos/modules/services/web-servers/apache-httpd/default.nix
index 5e55baa203a..b72b249220d 100644
--- a/nixos/modules/services/web-servers/apache-httpd/default.nix
+++ b/nixos/modules/services/web-servers/apache-httpd/default.nix
@@ -338,7 +338,7 @@ let
     }
     ''
       cat ${php}/etc/php.ini > $out
-      cat ${php}/lib/custom-php.ini > $out
+      cat ${php.phpIni} > $out
       echo "$options" >> $out
     '';
 
diff --git a/pkgs/development/interpreters/php/default.nix b/pkgs/development/interpreters/php/default.nix
index 2eda206ef2e..4256e34980d 100644
--- a/pkgs/development/interpreters/php/default.nix
+++ b/pkgs/development/interpreters/php/default.nix
@@ -105,7 +105,7 @@ let
                     (enabledExtensions ++ (getDepsRecursively enabledExtensions)));
 
               extNames = map getExtName enabledExtensions;
-              extraInit = writeText "custom-php.ini" ''
+              extraInit = writeText "php.ini" ''
                 ${lib.concatStringsSep "\n"
                   (lib.textClosureList extensionTexts extNames)}
                 ${extraConfig}
@@ -118,11 +118,12 @@ let
                 passthru = {
                   buildEnv = mkBuildEnv allArgs allExtensionFunctions;
                   withExtensions = mkWithExtensions allArgs allExtensionFunctions;
+                  phpIni = "${phpWithExtensions}/lib/php.ini";
                   inherit (php-packages) packages extensions;
                 };
                 paths = [ php ];
                 postBuild = ''
-                  cp ${extraInit} $out/lib/custom-php.ini
+                  cp ${extraInit} $out/lib/php.ini
 
                   wrapProgram $out/bin/php --set PHP_INI_SCAN_DIR $out/lib