diff --git a/lib/pervasives.epi b/lib/pervasives.epi
index 6014fbb..a6906a3 100644
--- a/lib/pervasives.epi
+++ b/lib/pervasives.epi
@@ -32,6 +32,7 @@
 type bool = true | false
 type int
 type float
+type real = float
 type string
 external val fun (&)(bool;bool) returns (bool)
 external val fun ( * )(int;int) returns (int)