diff --git a/Source/Libs/GdkSharp/GdkSharp-api.xml b/Source/Libs/GdkSharp/GdkSharp-api.xml
index ff9ba8380..d4a2bc13f 100644
--- a/Source/Libs/GdkSharp/GdkSharp-api.xml
+++ b/Source/Libs/GdkSharp/GdkSharp-api.xml
@@ -2472,9 +2472,9 @@
         <method vm="query_depths" />
         <method vm="query_visual_types" />
         <method vm="get_monitor_scale_factor" />
-        <method vm="size_changed" />
-        <method vm="composited_changed" />
-        <method vm="monitors_changed" />
+        <signal vm="size_changed" />
+        <signal vm="composited_changed" />
+        <signal vm="monitors_changed" />
       </class_struct>
       <virtual_method name="GetDisplay" cname="get_display">
         <return-type type="GdkDisplay*" />
@@ -2636,18 +2636,18 @@
           <parameter type="gint" name="monitor_num" />
         </parameters>
       </virtual_method>
-      <virtual_method name="SizeChanged" cname="size_changed">
+      <signal name="SizeChanged" cname="size-changed" when="LAST" field_name="size_changed">
         <return-type type="void" />
         <parameters />
-      </virtual_method>
-      <virtual_method name="CompositedChanged" cname="composited_changed">
+      </signal>
+      <signal name="CompositedChanged" cname="composited-changed" when="LAST" field_name="composited_changed">
         <return-type type="void" />
         <parameters />
-      </virtual_method>
-      <virtual_method name="MonitorsChanged" cname="monitors_changed">
+      </signal>
+      <signal name="MonitorsChanged" cname="monitors-changed" when="LAST" field_name="monitors_changed">
         <return-type type="void" />
         <parameters />
-      </virtual_method>
+      </signal>
       <method name="GetActiveWindow" cname="gdk_screen_get_active_window" deprecated="1">
         <return-type type="GdkWindow*" />
       </method>