diff --git a/introspection/nm-secret-agent.xml b/introspection/nm-secret-agent.xml
index bfab5852c..ec1ac687b 100644
--- a/introspection/nm-secret-agent.xml
+++ b/introspection/nm-secret-agent.xml
@@ -15,7 +15,7 @@
             </tp:docstring>
             <annotation name="org.freedesktop.DBus.GLib.CSymbol" value="impl_secret_agent_get_secrets"/>
             <annotation name="org.freedesktop.DBus.GLib.Async" value=""/>
-            <arg name="connection" type="a{sa{sv}}" direction="out" tp:type="String_String_Variant_Map_Map">
+            <arg name="connection" type="a{sa{sv}}" direction="in" tp:type="String_String_Variant_Map_Map">
                 <tp:docstring>
                     Nested settings maps containing the connection for which
                     secrets are being requested.
@@ -65,7 +65,7 @@
             </tp:docstring>
             <annotation name="org.freedesktop.DBus.GLib.CSymbol" value="impl_secret_agent_save_secrets"/>
             <annotation name="org.freedesktop.DBus.GLib.Async" value=""/>
-            <arg name="connection" type="a{sa{sv}}" direction="out" tp:type="String_String_Variant_Map_Map">
+            <arg name="connection" type="a{sa{sv}}" direction="in" tp:type="String_String_Variant_Map_Map">
                 <tp:docstring>
                     Nested settings maps containing the entire connection
                     (including secrets), for which the agent should save the
@@ -86,7 +86,7 @@
             </tp:docstring>
             <annotation name="org.freedesktop.DBus.GLib.CSymbol" value="impl_secret_agent_delete_secrets"/>
             <annotation name="org.freedesktop.DBus.GLib.Async" value=""/>
-            <arg name="connection" type="a{sa{sv}}" direction="out" tp:type="String_String_Variant_Map_Map">
+            <arg name="connection" type="a{sa{sv}}" direction="in" tp:type="String_String_Variant_Map_Map">
                 <tp:docstring>
                     Nested settings maps containing the entire connection
                     (including secrets), for which the agent should delete the