diff --git a/build/Makefile.in b/build/Makefile.in
index 7c3efef..eab5d5b 100644
--- a/build/Makefile.in
+++ b/build/Makefile.in
@@ -94,6 +94,7 @@ $(ARE_C_PIR): src/ARE/Compiler.pm
 
 TEST_FILES = \
   t/sanity.t \
+  t/cmd_after.t \
   t/cmd_concat.t \
   t/cmd_llength.t \
   t/cmd_join.t \