diff --git a/.github/workflows/cron_publish_flatpak.yml b/.github/workflows/cron_publish_flatpak.yml
index 931b986f89..e079235ef6 100644
--- a/.github/workflows/cron_publish_flatpak.yml
+++ b/.github/workflows/cron_publish_flatpak.yml
@@ -30,7 +30,11 @@ jobs:
 
   build:
     needs: check
-    if: needs.check.outputs.FLATHUB_RELEASE < needs.check.outputs.PCSX2_RELEASE
+    # outputs are automatically compared as strings. This doesn't work in our favour
+    # Use fromJson() to convert them to proper integers...
+    # see: https://github.com/github/docs/pull/25870
+    # and: https://github.com/orgs/community/discussions/57480
+    if: fromJson(needs.check.outputs.FLATHUB_RELEASE) < fromJson(needs.check.outputs.PCSX2_RELEASE)
     name: "Build and publish Flatpak"
     uses: ./.github/workflows/linux_build_flatpak.yml
     with: