diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e13580b3..29fce8a9 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -155,9 +155,9 @@ jobs:
       shell: bash
       run: |
         # Compare with current master
-        curl -fLSs -o CONFIGPROGRESS-OLD.TXT https://github.com/isledecomp/isle/releases/download/continuous/CONFIGPROGRESS.TXT
-        curl -fLSs -o ISLEPROGRESS-OLD.TXT https://github.com/isledecomp/isle/releases/download/continuous/ISLEPROGRESS.TXT
-        curl -fLSs -o LEGO1PROGRESS-OLD.TXT https://github.com/isledecomp/isle/releases/download/continuous/LEGO1PROGRESS.TXT
+        curl -fLSs -o CONFIGPROGRESS-OLD.TXT https://github.com/isledecomp/isle/releases/download/continuous/CONFIGPROGRESS.TXT || echo "" >CONFIGPROGRESS-OLD.TXT
+        curl -fLSs -o ISLEPROGRESS-OLD.TXT https://github.com/isledecomp/isle/releases/download/continuous/ISLEPROGRESS.TXT || echo "" >ISLEPROGRESS-OLD.TXT
+        curl -fLSs -o LEGO1PROGRESS-OLD.TXT https://github.com/isledecomp/isle/releases/download/continuous/LEGO1PROGRESS.TXT || echo "" >LEGO1PROGRESS-OLD.TXT
 
         diff -u0 ISLEPROGRESS-OLD.TXT CONFIGPROGRESS.TXT || true
         diff -u0 ISLEPROGRESS-OLD.TXT ISLEPROGRESS.TXT || true