diff --git a/module/Makefile.am b/module/Makefile.am
index 4ea899715..80376c925 100644
--- a/module/Makefile.am
+++ b/module/Makefile.am
@@ -236,6 +236,7 @@ SRFI_SOURCES = \
   srfi/srfi-6.scm \
   srfi/srfi-8.scm \
   srfi/srfi-9.scm \
+  srfi/srfi-9/gnu.scm \
   srfi/srfi-10.scm \
   srfi/srfi-11.scm \
   srfi/srfi-13.scm \