diff --git a/src/matrix-c-types.c b/src/matrix-c-types.c
index f16475d..99aaf46 100644
--- a/src/matrix-c-types.c
+++ b/src/matrix-c-types.c
@@ -188,3 +188,14 @@ G_DEFINE_QUARK(matrix-error-quark, matrix_error);
  *
  * Room membership types.
  */
+
+/**
+ * MatrixRoomPreset:
+ * @MATRIX_ROOM_PRESET_NONE: no preset
+ * @MATRIX_ROOM_PRESET_PRIVATE: preset for private rooms
+ * @MATRIX_ROOM_PRESET_TRUSTED_PRIVATE: same as private rooms, but all users get the same power
+ *     level as the room creator
+ * @MATRIX_ROOM_PRESET_PUBLIC: preset for public rooms
+ *
+ * Preset values for matrix_api_create_room() calls.
+ */
diff --git a/src/matrix-c-types.h b/src/matrix-c-types.h
index 1055dcc..cd8c75e 100644
--- a/src/matrix-c-types.h
+++ b/src/matrix-c-types.h
@@ -133,4 +133,11 @@ typedef enum {
     MATRIX_ROOM_MEMBERSHIP_KNOCK
 } MatrixRoomMembership;
 
+typedef enum {
+    MATRIX_ROOM_PRESET_NONE,
+    MATRIX_ROOM_PRESET_PRIVATE,
+    MATRIX_ROOM_PRESET_TRUSTED_PRIVATE,
+    MATRIX_ROOM_PRESET_PUBLIC
+} MatrixRoomPreset;
+
 #endif  /* __MATRIX_TYPE_H__ */
diff --git a/src/matrix-types.vala b/src/matrix-types.vala
index 17c0210..0ced692 100644
--- a/src/matrix-types.vala
+++ b/src/matrix-types.vala
@@ -17,32 +17,6 @@
  */
 
 namespace Matrix {
-    /**
-     * Preset values for matrix_api_create_room() calls.
-     */
-    public enum RoomPreset {
-        /**
-         * no preset
-         */
-        NONE,
-
-        /**
-         * preset for private rooms
-         */
-        PRIVATE,
-
-        /**
-         * same as private rooms, but all users get the same power
-         * level as the room creator
-         */
-        TRUSTED_PRIVATE,
-
-        /**
-         * preset for public rooms
-         */
-        PUBLIC;
-    }
-
     /**
      * Visibility values for room creation. Not to be confused with
      * join rules.
diff --git a/vapi/c-api.vapi b/vapi/c-api.vapi
index d578628..b60e8b1 100644
--- a/vapi/c-api.vapi
+++ b/vapi/c-api.vapi
@@ -132,6 +132,14 @@ namespace Matrix {
         KNOCK;
     }
 
+    [CCode (cheader_filename = "matrix-enumtypes.h", cprefix = "MATRIX_ROOM_PRESET_")]
+    public enum RoomPreset {
+        NONE,
+        PRIVATE,
+        TRUSTED_PRIVATE,
+        PUBLIC;
+    }
+
     /**
      * The major version number of the Matrix.org GLib SDK.
      */