--- a/giscanner/ast.py	2022-03-18 11:54:42.318927500 +0000
+++ b/giscanner/ast.py	2022-03-18 11:54:42.318927500 +0000
@@ -346,7 +346,7 @@
 type_names['ssize_t'] = type_names['gssize']
 type_names['uintptr_t'] = type_names['guintptr']
 type_names['intptr_t'] = type_names['gintptr']
-type_names['time_t'] = TYPE_LONG
+type_names['time_t'] = TYPE_INT64
 type_names['off_t'] = type_names['gsize']
 type_names['pid_t'] = TYPE_INT
 type_names['uid_t'] = TYPE_UINT
--- a/tests/scanner/Regress-1.0-expected.gir	2022-03-18 11:54:42.318927500 +0000
+++ b/tests/scanner/Regress-1.0-expected.gir	2022-03-18 11:54:42.318927500 +0000
@@ -2023,7 +2023,7 @@
             <type name="FooObject" c:type="RegressFooObject*"/>
           </instance-parameter>
           <parameter name="time" transfer-ownership="none">
-            <type name="glong" c:type="time_t"/>
+            <type name="gint64" c:type="time_t"/>
           </parameter>
         </parameters>
       </method>
@@ -8569,7 +8569,7 @@
     <function name="test_timet" c:identifier="regress_test_timet">
       <source-position filename="regress.h" line="94"/>
       <return-value transfer-ownership="none">
-        <type name="glong" c:type="time_t"/>
+        <type name="gint64" c:type="time_t"/>
       </return-value>
       <parameters>
         <parameter name="in" transfer-ownership="none">
@@ -8576,4 +8576,4 @@
-          <type name="glong" c:type="time_t"/>
+          <type name="gint64" c:type="time_t"/>
         </parameter>
       </parameters>
     </function>