diff --git a/.github/workflows/publish_gui_nightly.yml b/.github/workflows/publish_gui_nightly.yml
index 3bdd92e43..0c6f8794e 100644
--- a/.github/workflows/publish_gui_nightly.yml
+++ b/.github/workflows/publish_gui_nightly.yml
@@ -37,8 +37,8 @@ jobs:
         dotnet build UndertaleModTool --no-restore
         dotnet build UndertaleModToolUpdater --no-restore
     - name: Publish ${{ matrix.os }} GUI
-      run: |
-        dotnet publish UndertaleModTool -c ${{ matrix.configuration }} -r win-x64 -p:DefineConstants="SHOW_COMMIT_HASH" --self-contained ${{ matrix.bundled }} -p:PublishSingleFile=${{ matrix.singlefile }} --output ${{ matrix.os }}
+      run: | # FIXME: debug constant should automatically be applied, but for some reason it isn't
+        dotnet publish UndertaleModTool -c ${{ matrix.configuration }} -r win-x64 -p:DefineConstants="SHOW_COMMIT_HASH;DEBUG" --self-contained ${{ matrix.bundled }} -p:PublishSingleFile=${{ matrix.singlefile }} --output ${{ matrix.os }}
         dotnet publish UndertaleModToolUpdater -c ${{ matrix.configuration }} -r win-x64 --self-contained ${{ matrix.bundled }} -p:PublishSingleFile=false --output ${{ matrix.os }}/Updater
     - name: Copy external files
       run: |