diff --git a/source/ddbus/conv.d b/source/ddbus/conv.d
index 8644055..d705116 100644
--- a/source/ddbus/conv.d
+++ b/source/ddbus/conv.d
@@ -172,7 +172,7 @@ void buildIter(TS...)(DBusMessageIter* iter, TS args)
 }
 
 T readIter(T)(DBusMessageIter* iter)
-    if (is(T == enum) && !is(T == InterfaceName) && !is(T == BusName)) {
+    if (is(T == enum) && !is(T == InterfaceName) && !is(T == BusName) && !is(T == FileDescriptor)) {
   import std.algorithm.searching : canFind;
 
   alias OriginalType!T B;
@@ -198,7 +198,8 @@ T readIter(T)(DBusMessageIter* iter)
 }
 
 T readIter(T)(DBusMessageIter* iter)
-    if (!(is(T == enum) && !is(T == InterfaceName) && !is(T == BusName)) && !isInstanceOf!(BitFlags, T) && canDBus!T) {
+    if (!(is(T == enum) && !is(T == InterfaceName) && !is(T == BusName) && !is(T == FileDescriptor))
+    && !isInstanceOf!(BitFlags, T) && canDBus!T) {
   auto argType = dbus_message_iter_get_arg_type(iter);
   T ret;
 
diff --git a/source/ddbus/thin.d b/source/ddbus/thin.d
index 727bf59..b0fa6c4 100644
--- a/source/ddbus/thin.d
+++ b/source/ddbus/thin.d
@@ -171,6 +171,17 @@ InterfaceName interfaceName(string path) pure @nogc nothrow @safe {
   return cast(InterfaceName) path;
 }
 
+/// Serving as a typesafe alias for a FileDescriptor.
+enum FileDescriptor : int {
+  none = -1,
+  max = int.max
+}
+
+/// Casts an integer to a FileDescriptor.
+FileDescriptor fileDescriptor(int fileNo) pure @nogc nothrow @safe {
+  return cast(FileDescriptor) fileNo;
+}
+
 unittest {
   import dunit.toolkit;
 
@@ -284,6 +295,9 @@ struct DBusAny {
     } else static if (is(T == int)) {
       this(typeCode!int, null, false);
       int32 = cast(int) value;
+    } else static if (is(T == FileDescriptor)) {
+      this(typeCode!FileDescriptor, null, false);
+      int32 = cast(int) value;
     } else static if (is(T == uint)) {
       this(typeCode!uint, null, false);
       uint32 = cast(uint) value;
@@ -459,6 +473,9 @@ struct DBusAny {
     case 'e':
       valueStr = entry.key.toString ~ ": " ~ entry.value.toString;
       break;
+    case 'h':
+      valueStr = int32.to!string;
+      break;
     default:
       valueStr = "unknown";
       break;
@@ -488,7 +505,9 @@ struct DBusAny {
         "Cannot get a " ~ T.stringof ~ " from a DBusAny with" ~ " a value of DBus type '" ~ typeSig ~ "'.",
         typeCode!T, type));
 
-    static if (isIntegral!T) {
+    static if (is(T == FileDescriptor)) {
+      return fileDescriptor(int32);
+    } else  static if (isIntegral!T) {
       enum memberName = (isUnsigned!T ? "uint" : "int") ~ (T.sizeof * 8).to!string;
       return __traits(getMember, this, memberName);
     } else static if (is(T == double)) {
@@ -730,6 +749,7 @@ unittest {
   test(variant(cast(short) 184), set!"int16"(DBusAny('n', null, true), cast(short) 184));
   test(variant(cast(ushort) 184), set!"uint16"(DBusAny('q', null, true), cast(ushort) 184));
   test(variant(cast(int) 184), set!"int32"(DBusAny('i', null, true), cast(int) 184));
+  test(variant(cast(FileDescriptor) 184), set!"int32"(DBusAny('h', null, true), cast(FileDescriptor) 184));
   test(variant(cast(uint) 184), set!"uint32"(DBusAny('u', null, true), cast(uint) 184));
   test(variant(cast(long) 184), set!"int64"(DBusAny('x', null, true), cast(long) 184));
   test(variant(cast(ulong) 184), set!"uint64"(DBusAny('t', null, true), cast(ulong) 184));
diff --git a/source/ddbus/util.d b/source/ddbus/util.d
index 4d469ce..3d43eb6 100644
--- a/source/ddbus/util.d
+++ b/source/ddbus/util.d
@@ -55,7 +55,7 @@ template allCanDBus(TS...) {
  +/
 package  // Don't add to the API yet, 'cause I intend to move it later
 alias BasicTypes = AliasSeq!(bool, byte, short, ushort, int, uint, long, ulong,
-    double, string, ObjectPath, InterfaceName, BusName);
+    double, string, ObjectPath, InterfaceName, BusName, FileDescriptor);
 
 template basicDBus(T) {
   static if (staticIndexOf!(T, BasicTypes) >= 0) {
@@ -104,6 +104,7 @@ unittest {
   (canDBus!(Tuple!(int[], bool, Variant!short))).assertTrue();
   (canDBus!(Tuple!(int[], int[string]))).assertTrue();
   (canDBus!(int[string])).assertTrue();
+  (canDBus!FileDescriptor).assertTrue();
 }
 
 string typeSig(T)()
@@ -116,6 +117,8 @@ string typeSig(T)()
     return "n";
   } else static if (is(T == ushort)) {
     return "q";
+  } else static if (is(T == FileDescriptor)) {
+    return "h";
   } else static if (is(T == int)) {
     return "i";
   } else static if (is(T == uint)) {
@@ -217,6 +220,7 @@ unittest {
   typeSig!bool().assertEqual("b");
   typeSig!string().assertEqual("s");
   typeSig!(Variant!int)().assertEqual("v");
+  typeSig!FileDescriptor().assertEqual("h");
   // enums
   enum E : byte {
     a,
@@ -256,9 +260,10 @@ unittest {
     string d;
     S1 e;
     uint f;
+    FileDescriptor g;
   }
 
-  typeSig!S2.assertEqual("(vs(ids)u)");
+  typeSig!S2.assertEqual("(vs(ids)uh)");
   // arrays
   typeSig!(int[]).assertEqual("ai");
   typeSig!(Variant!int[]).assertEqual("av");