diff --git a/src/testdir/Make_amiga.mak b/src/testdir/Make_amiga.mak
index 901a7c1..af27919 100644
--- a/src/testdir/Make_amiga.mak
+++ b/src/testdir/Make_amiga.mak
@@ -41,6 +41,7 @@
 		test_autocmd_option.out \
 		test_autoformat_join.out \
 		test_breakindent.out \
+		test_cdo.out \
 		test_changelist.out \
 		test_charsearch.out \
 		test_close_count.out \
@@ -195,6 +196,7 @@
 test_autocmd_option.out: test_autocmd_option.in
 test_autoformat_join.out: test_autoformat_join.in
 test_breakindent.out: test_breakindent.in
+test_cdo.out: test_cdo.in
 test_changelist.out: test_changelist.in
 test_charsearch.out: test_charsearch.in
 test_close_count.out: test_close_count.in