diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 96db735..b710bd2 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -36,5 +36,5 @@ jobs:
     - name: make
       run: |
         make
-        ./tb64app -v1
+        ./icapp ZIPF