diff --git a/asm.js b/asm.js
index 4417384..031ec44 100644
--- a/asm.js
+++ b/asm.js
@@ -135,6 +135,7 @@ const types = {
     "void":    0x40,
     "func":    0x60,
     "funcref": 0x70,
+    "f32":     0x7d,
     "i32":     0x7f,
 };