diff --git a/giscanner/ast.py b/giscanner/ast.py
index 66fe0cf..e2f89cc 100644
--- a/giscanner/ast.py
+++ b/giscanner/ast.py
@@ -344,7 +344,8 @@ type_names['FILE*'] = TYPE_ANY
 # integers it's easy enough to expand them.
 type_names['size_t'] = type_names['gsize']
 type_names['ssize_t'] = type_names['gssize']
-type_names['time_t'] = TYPE_LONG
+# musl libc 1.2 and newer uses 64 time_t for all arches
+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
diff --git a/tests/scanner/Regress-1.0-expected.gir b/tests/scanner/Regress-1.0-expected.gir
index cef3b12..abb09e2 100644
--- a/tests/scanner/Regress-1.0-expected.gir
+++ b/tests/scanner/Regress-1.0-expected.gir
@@ -2003,7 +2003,7 @@ uses a C sugar return type.</doc>
             <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>
@@ -8381,11 +8381,11 @@ https://bugzilla.gnome.org/show_bug.cgi?id=685399</doc>
     <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">
-          <type name="glong" c:type="time_t"/>
+          <type name="gint64" c:type="time_t"/>
         </parameter>
       </parameters>
     </function>