diff --git a/test-suite/Makefile.am b/test-suite/Makefile.am
index 5c5091a3b..aa26fbc06 100644
--- a/test-suite/Makefile.am
+++ b/test-suite/Makefile.am
@@ -57,6 +57,7 @@ SCM_TESTS = tests/alist.test			\
 	    tests/r5rs_pitfall.test		\
 	    tests/reader.test			\
 	    tests/regexp.test			\
+	    tests/slib.test			\
 	    tests/socket.test			\
 	    tests/srcprop.test			\
 	    tests/srfi-1.test			\