diff --git a/contrib/citext/citext--1.0.sql b/contrib/citext/citext--1.0.sql
index 1dd19973d778640974302f7ab4bc9db638081e76..7db2e8d0aec9cca5843ff070be2630fcac9f64d7 100644
--- a/contrib/citext/citext--1.0.sql
+++ b/contrib/citext/citext--1.0.sql
@@ -232,12 +232,12 @@ DEFAULT FOR TYPE citext USING hash AS
 CREATE FUNCTION citext_smaller(citext, citext)
 RETURNS citext
 AS 'MODULE_PATHNAME'
-LANGUAGE 'C' IMMUTABLE STRICT;
+LANGUAGE C IMMUTABLE STRICT;
 
 CREATE FUNCTION citext_larger(citext, citext)
 RETURNS citext
 AS 'MODULE_PATHNAME'
-LANGUAGE 'C' IMMUTABLE STRICT;
+LANGUAGE C IMMUTABLE STRICT;
 
 CREATE AGGREGATE min(citext)  (
     SFUNC = citext_smaller,