diff --git a/gir-files/Gst-1.0.gir b/gir-files/Gst-1.0.gir
index 0260a1476..5285e6122 100644
--- a/gir-files/Gst-1.0.gir
+++ b/gir-files/Gst-1.0.gir
@@ -28971,7 +28971,7 @@ reference to the newly-loaded GstPlugin, or %NULL if an error occurred.</doc>
         <parameters>
           <parameter name="filename" transfer-ownership="none">
             <doc xml:space="preserve">the plugin filename to load</doc>
-            <type name="utf8" c:type="const gchar*"/>
+            <type name="filename" c:type="const gchar*"/>
           </parameter>
         </parameters>
       </function>
@@ -29251,7 +29251,7 @@ stored. This is the case when the registry is getting rebuilt.</doc>
         <doc xml:space="preserve">get the filename of the plugin</doc>
         <return-value transfer-ownership="none">
           <doc xml:space="preserve">the filename of the plugin</doc>
-          <type name="utf8" c:type="const gchar*"/>
+          <type name="filename" c:type="const gchar*"/>
         </return-value>
         <parameters>
           <instance-parameter name="plugin" transfer-ownership="none">
@@ -33868,7 +33868,7 @@ path is specific to the registry.</doc>
           </instance-parameter>
           <parameter name="path" transfer-ownership="none">
             <doc xml:space="preserve">the path to scan</doc>
-            <type name="utf8" c:type="const gchar*"/>
+            <type name="filename" c:type="const gchar*"/>
           </parameter>
         </parameters>
       </method>
@@ -44271,7 +44271,7 @@ Be sure to use #G_GNUC_NO_INSTRUMENT on that function, it is needed.</doc>
           <type name="DebugGraphDetails" c:type="GstDebugGraphDetails"/>
         </parameter>
         <parameter name="file_name" transfer-ownership="none">
-          <type name="utf8" c:type="const gchar*"/>
+          <type name="filename" c:type="const gchar*"/>
         </parameter>
       </parameters>
     </function>
@@ -44288,7 +44288,7 @@ Be sure to use #G_GNUC_NO_INSTRUMENT on that function, it is needed.</doc>
           <type name="DebugGraphDetails" c:type="GstDebugGraphDetails"/>
         </parameter>
         <parameter name="file_name" transfer-ownership="none">
-          <type name="utf8" c:type="const gchar*"/>
+          <type name="filename" c:type="const gchar*"/>
         </parameter>
       </parameters>
     </function>