diff --git a/.github/workflows/back-compat-pr.yml b/.github/workflows/back-compat-pr.yml
index da639f8..5a57bd1 100644
--- a/.github/workflows/back-compat-pr.yml
+++ b/.github/workflows/back-compat-pr.yml
@@ -41,11 +41,15 @@ jobs:
           rm hours_head
       - name: Run last version
         run: |
-          /var/tmp/hours_main --dbpath=/var/tmp/throwaway-1.db report 3d -p
-          /var/tmp/hours_main --dbpath=/var/tmp/throwaway-2.db gen -y
+          /var/tmp/hours_main --dbpath=/var/tmp/throwaway-empty.db report 3d -p
+          /var/tmp/hours_main --dbpath=/var/tmp/throwaway-with-data.db gen -y
       - name: Run current version
         run: |
-          /var/tmp/hours_head --dbpath=/var/tmp/throwaway-1.db report 3d -p
-          /var/tmp/hours_head --dbpath=/var/tmp/throwaway-2.db report 3d -p
-          /var/tmp/hours_head --dbpath=/var/tmp/throwaway-2.db log 3d -p
-          /var/tmp/hours_head --dbpath=/var/tmp/throwaway-2.db stats 3d -p
+          echo "empty"
+          /var/tmp/hours_head --dbpath=/var/tmp/throwaway-empty.db report 3d -p
+          /var/tmp/hours_head --dbpath=/var/tmp/throwaway-empty.db log 3d -p
+          /var/tmp/hours_head --dbpath=/var/tmp/throwaway-empty.db stats 3d -p
+          echo "with data"
+          /var/tmp/hours_head --dbpath=/var/tmp/throwaway-with-data.db report 3d -p
+          /var/tmp/hours_head --dbpath=/var/tmp/throwaway-with-data.db log 3d -p
+          /var/tmp/hours_head --dbpath=/var/tmp/throwaway-with-data.db stats 3d -p
diff --git a/.github/workflows/back-compat.yml b/.github/workflows/back-compat.yml
index 62a812b..f1de7c8 100644
--- a/.github/workflows/back-compat.yml
+++ b/.github/workflows/back-compat.yml
@@ -39,11 +39,15 @@ jobs:
           rm hours_head
       - name: Run last version
         run: |
-          /var/tmp/hours_prev --dbpath=/var/tmp/throwaway-1.db report 3d -p
-          /var/tmp/hours_prev --dbpath=/var/tmp/throwaway-2.db gen -y
+          /var/tmp/hours_prev --dbpath=/var/tmp/throwaway-empty.db report 3d -p
+          /var/tmp/hours_prev --dbpath=/var/tmp/throwaway-with-data.db gen -y
       - name: Run current version
         run: |
-          /var/tmp/hours_head --dbpath=/var/tmp/throwaway-1.db report 3d -p
-          /var/tmp/hours_head --dbpath=/var/tmp/throwaway-2.db report 3d -p
-          /var/tmp/hours_head --dbpath=/var/tmp/throwaway-2.db log 3d -p
-          /var/tmp/hours_head --dbpath=/var/tmp/throwaway-2.db stats 3d -p
+          echo "empty"
+          /var/tmp/hours_head --dbpath=/var/tmp/throwaway-empty.db report 3d -p
+          /var/tmp/hours_head --dbpath=/var/tmp/throwaway-empty.db log 3d -p
+          /var/tmp/hours_head --dbpath=/var/tmp/throwaway-empty.db stats 3d -p
+          echo "with data"
+          /var/tmp/hours_head --dbpath=/var/tmp/throwaway-with-data.db report 3d -p
+          /var/tmp/hours_head --dbpath=/var/tmp/throwaway-with-data.db log 3d -p
+          /var/tmp/hours_head --dbpath=/var/tmp/throwaway-with-data.db stats 3d -p