1 files changed, 1 insertions, 0 deletions
diff --git a/record.scm b/record.scm
index 3935aef..a94bc50 100644
--- a/record.scm
+++ b/record.scm
@@ -14,6 +14,7 @@
 ;;  changed identifiers containing VECTOR to VECT or VCT.
 
 (require 'common-list-functions)
+(require 'rev4-optional-procedures)
 
 (define vector? vector?)
 (define vector-ref vector-ref)