diff --git a/manifests/extension.pp b/manifests/extension.pp
index 1a902b31..313054ac 100644
--- a/manifests/extension.pp
+++ b/manifests/extension.pp
@@ -21,6 +21,9 @@
 # [*so_name*]
 #   The DSO name of the package (e.g. opcache for zendopcache)
 #
+# [*ini_prefix*]
+#   An optional filename prefix for the settings file of the extension
+#
 # [*php_api_version*]
 #   This parameter is used to build the full path to the extension
 #   directory for zend_extension in PHP < 5.5 (e.g. 20100525)
@@ -60,6 +63,7 @@
   Optional[Php::Provider] $provider                 = undef,
   Optional[String] $source                          = undef,
   Optional[String] $so_name                         = downcase($name),
+  Optional[String] $ini_prefix                      = undef,
   Optional[String] $php_api_version                 = undef,
   String           $package_prefix                  = $::php::package_prefix,
   Boolean          $zend                            = false,
@@ -93,6 +97,7 @@
       ensure          => $ensure,
       provider        => $provider,
       so_name         => $so_name,
+      ini_prefix      => $ini_prefix,
       php_api_version => $php_api_version,
       zend            => $zend,
       settings        => $settings,
diff --git a/manifests/extension/config.pp b/manifests/extension/config.pp
index 1b1271e9..13854ad0 100644
--- a/manifests/extension/config.pp
+++ b/manifests/extension/config.pp
@@ -14,6 +14,9 @@
 # [*so_name*]
 #   The DSO name of the package (e.g. opcache for zendopcache)
 #
+# [*ini_prefix*]
+#   An optional filename prefix for the settings file of the extension
+#
 # [*php_api_version*]
 #   This parameter is used to build the full path to the extension
 #   directory for zend_extension in PHP < 5.5 (e.g. 20100525)
@@ -45,6 +48,7 @@
   String                   $ensure          = 'installed',
   Optional[Php::Provider]  $provider        = undef,
   Optional[String]         $so_name         = downcase($name),
+  Optional[String]         $ini_prefix      = undef,
   Optional[String]         $php_api_version = undef,
   Boolean                  $zend            = false,
   Hash                     $settings        = {},
@@ -83,7 +87,7 @@
 
   $config_root_ini = pick_default($::php::config_root_ini, $::php::params::config_root_ini)
   ::php::config { $title:
-    file   => "${config_root_ini}/${ini_name}.ini",
+    file   => "${config_root_ini}/${ini_prefix}${ini_name}.ini",
     config => $final_settings,
   }
 
diff --git a/spec/defines/extension_spec.rb b/spec/defines/extension_spec.rb
index e7164259..f4cc42c7 100644
--- a/spec/defines/extension_spec.rb
+++ b/spec/defines/extension_spec.rb
@@ -140,6 +140,27 @@
           end
         end
 
+        context 'add ini file prefix if requested' do
+          let(:title) { 'zendopcache' }
+          let(:params) do
+            {
+              provider: 'pecl',
+              zend: true,
+              ini_prefix: '10-',
+              so_name: 'opcache'
+            }
+          end
+
+          it do
+            is_expected.to contain_php__config('zendopcache').with(
+              file: "#{etcdir}/10-opcache.ini",
+              config: {
+                'zend_extension' => 'opcache.so'
+              }
+            )
+          end
+        end
+
         context 'pecl extensions support php_api_version' do
           let(:title) { 'xdebug' }
           let(:params) do