diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 632fe20..e0a52ba 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -59,5 +59,6 @@ jobs:
           args: |
             -c "\
             # iverilog -g2012 -o test.out tb.sv ../../src/*.v -Y .sv -I ../../lib && \
-            ./test.out | tee test.log
+            ./test.out | tee test.log &&\
+            echo "done"
             "