diff --git a/test-suite/Makefile.am b/test-suite/Makefile.am
index 29783d741..3cdfa2ff6 100644
--- a/test-suite/Makefile.am
+++ b/test-suite/Makefile.am
@@ -65,6 +65,7 @@ SCM_TESTS = tests/alist.test			\
 	    tests/srfi-14.test			\
 	    tests/srfi-19.test			\
 	    tests/srfi-26.test			\
+	    tests/srfi-31.test			\
 	    tests/srfi-34.test			\
 	    tests/srfi-4.test			\
 	    tests/srfi-9.test			\