diff --git a/tests/opt/opt_clean_init_const.ys b/tests/opt/opt_clean_init_const.ys
new file mode 100644
index 000000000..1b3d5db63
--- /dev/null
+++ b/tests/opt/opt_clean_init_const.ys
@@ -0,0 +1,9 @@
+read_rtlil << EOT
+module \top
+  attribute \init 1'0
+  wire \w
+
+  connect \w 1'0
+end
+EOT
+opt_clean