Index: PLATFORMS.md
==================================================================
--- PLATFORMS.md
+++ PLATFORMS.md
@@ -11,10 +11,19 @@
   * OS versions: 3.0, 3.3-DEVELOPMENT
   * Architectures: x86, x86_64
   * Compilers: GCC 4.4.7
   * Runtimes: ObjFW
 
+
+Haiku
+-----
+
+  * OS version: r1-alpha4
+  * Architectures: x86
+  * Compilers: GCC 4.6.3
+  * Runtimes: ObjFW
+
 
 iOS
 ---
 
   * Architectures: ARM