diff --git a/src/PGF.hs b/src/PGF.hs
index e93b1dcb0..65697fe8a 100644
--- a/src/PGF.hs
+++ b/src/PGF.hs
@@ -19,7 +19,7 @@ module PGF(
 
            -- * Identifiers
            -- ** CId
-           CId, mkCId, prCId,
+           CId, mkCId, prCId, wildCId,
            
            -- ** Language
            Language, languages, abstractName, languageCode,